Development of an Improved Virtual Learning Management System for Covid-19 Era

P.O. Farotimi, J.A. Ayeni and E.O. Makinde- January 2022 Page No.: 01-06

Improvement in technology has helped in improving the processes humans are involved in, enhancing their continuity and aiding adaptation even in times of paradigm shift, such is in the case of education and/learning. COVID-19, a global pandemic virus which took the world aback with its emergence in 2019 and stalled various processes and activities in the world including education. Again, the need to improve on existing virtual learning system to aid thorough and smooth learning process and its suitability for the local environment became an issue in the educational sector. In this paper, an Improved and reliable Virtual Learning Management System for Covid-19 era as supplementary and veritable alternative to the physical class for lecturers and students respectively was developed and presented.

Page(s): 01-06                                                                                                                  Date of Publication: 01 February 2022

 P.O. Farotimi
Department of Computer Sciences, Ajayi Crowther University, Oyo, Nigeria

 J.A. Ayeni
Department of Computer Sciences, Ajayi Crowther University, Oyo, Nigeria

 E.O. Makinde
Department of Computer Sciences, Ajayi Crowther University, Oyo, Nigeria

[1] Michael Van Beek (2011). Introduction: What is Virtual Learning?. www.mackinac.org (Accessed May 24, 2021) 11:10PM
[2] WHO.INT (2019). Covid 19 Retrieved from https://int (Accessed May 19, 2020)
[3] Urdan, T.A. and Weggen C.C. (2000). Corporate elearning: exploring a new frontier. http://cclp.mior.ca/Reference%20Shelf/PDF_OISE/Corporate%20e-learning.pdf. (Accessed 15 august, 2021)
[4] Nurassyl, K. and Astana, K. (2013). Virtual learning: possibilities and realization https://arxiv.org/ftp/arxiv/papers/1304/1304.0254.pdf (Accessed 24 March, 2021)
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[6] Ihama, E. I. and Eguasa, O. (2021) A review of virtual learning systems. BIU Journal of Basic and Applied Sciences 6(1): 29 – 41, 2021. (C) Faculty of Science, Benson Idahosa University, Benin City, Nigeria ISSN: 2563-6424.
[7] Kumar, A., Pakala, R., Ragade,K., and Wong J. (1998). The Virtual Learning Environment System. 28th Annual Conference: Frontiers in Education Conference, 1998. FIE ’98.Researchgate.net/publication/3782726_The_Virtual_Learning_Environment_system/
[8] Wilson, B. G. (1996). Constructivist learning Environments: Case studies in instructional design. New Jersey: Educational Technology Publication, Engewood Cliffs, N.J.
[9] Brush, K. (2021). Learning Management System (LMS).https://searchcio.techtarget.com/definition/learning-management-system
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[14] Samatha S. (2008). Design And Implementation Of A Distance Learning System. A Project submitted to the graduate faculty of The University of Colorado at Colorado Springs in partial fulfillment of the Master of Science degree Department of Computer Science 2008. http://www.cs.uccs.edu/~jkalita/work/StudentResearch/SudarshanamMSProject2009.pdf (Accessed 14th June, 2020)
[15] Ellen Kalinga (2010). Development of an Interactive e-Learning Management System (e-LMS) for Tanzanian Secondary Schools https://www.divaportal.org/smash/get/diva2:835371/FULLTEXT01.pdf (Accessed214th June),
[16] Rabiman Rabiman, Muhammad Nurtanto and Nur Kholifah (2020). Design And Development E-Learning System By Learning Management System (LMS) In Vocational Education. https://www.researchgate.net/publication/338594694_Design_AndDevelopment_ELarning_System_By_Learning_Management_System_LMS_In_Vocational_Education [Accessed Jan 06 2022].
[17] Doan Thi Hue Dung, (2020). The Advantages and Disadvantages of Virtual Learning. IOSR Journal of Research & Method in Education (IOSR-JRME) e-ISSN: 2320–1959.p- ISSN: 2320–1940 Volume 10, Issue 3 Ser. V (May – June 2020), PP 45-48 www.iosrjournals.org

P.O. Farotimi, J.A. Ayeni and E.O. Makinde “Development of an Improved Virtual Learning Management System for Covid-19 Era” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.01-06 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/01-06.pdf

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Analysis of Groundnut Value Chain in Hong Local Government Area of Adamawa State in North Eastern Nigeria

Ahmed Usman, Toroma Lawrence and Bawa Bala- January 2022 Page No.: 07-10

The study analyzed the value chain of groundnut in Hong Local Government Area of Adamawa State in North Eastern Nigeria. It described the socioeconomic characteristics of value chain actors, determined the cost and returns along the groundnut value chain and identifies the constraints faced by the actors along the groundnut value chain. Multi-stage sampling technique was used to sample 144 respondents which served as sample size and the data obtained were analyzed using gross margin and descriptive statistics. The results of the socio-economic characteristics shows majority (83%) of the actors involved their falls between 21-40 years were at active age, 70.14% were female, 58.33% were married , most (97.23%) attended one form of formal education or the other and their major sources of capital to actors obtained capital from personal savings (73.61%). The average gross margin of the actors shows that processor of cake, processor of roasted groundnut, producers of groundnut and marketers of groundnut earned ₦17,720.00, ₦8,893.00, N 12,900.00 and ₦6,450 per 100kg of shelled groundnut respectively. It was also found that inadequate capital. pest and disease and poor verities of groundnut were the major constraints limiting groundnut production in the study area. It was concluded that value chain of groundnut is profitable though the actors faces some challenges. The study therefore, recommend both government and non-governmental organizations should provide soft loan to the actors to enable them to expand their ventures, to boost up activities along the groundnut value in the study area there is need to provide them with modern processing technologies so as to add more value to the products along the chain. There is need to gear in providing subsidizing input prices to the actors by governmental and non-governmental organization.

Page(s): 07-10                                                                                                                  Date of Publication: 02 February 2022

 Ahmed Usman
Adamawa State College of Education Hong, Department of Agricultural Education

 Toroma Lawrence
Adamawa State College of Education Hong, Department of Agricultural Education

 Bawa Bala
Adamawa State College of Education Hong, Department of Agricultural Education

[1] Amolegbe, K. B. and Abubakar, N A. (2018). “Value Chain Analysis Of Groundnut Sub Sector In Kwara State, North-Central, Nigeria. Selected Poster prepared for presentation at the 2018 Agricultural & Applied Economics Association Annual Meeting, Washington, D.C.
[2] Asongwa, P., Ihemeje, M. and Ezihe, W. (2011). Economic Analysis of Groundnut Processing. Journal of ABU Zaria, 1(2):23-29.
[3] Cosmas, W. (2020). Efficiency Analysis of Maize Production Systems in Hong Local Government Area Of Adamawa State, Nigeria. A Thesis Submitted to the Post Graduate School Modibbo Adama University,Yola.
[4] Food and Agricultural Organization (FAO) (2011).Nigeria at a glance on Food Production. Retrieved May, 15th , 2019 from: http://www.fao.org/nigeria/fao-in-nigeria/nigeria-at-a-glance/en/
[5] Girei, A. A., Dauna, Y. and Dire, B. (2013). An Economic Analysis of Groundnut (Arachis hypogea) Production in Hong Local Government Area of Adamawa State, Nigeria. J. Agric. and Crop Res., 1(6): 84-89.
[6] Havard Business School (2021). Value Chain Analysis. Retrieved October, 7th 2021 from www.online.hbs.edu/blog/post
[7] Ibrahim, R.I., Muhammad, A.I. and Ahmad, H. K. (2010). Effect of Extraction Methods in Some Small Scale Industries in Kano State. Bayero Journal of Pure and Applied Science, 12(1): 73-69.
[8] International Crop Research Institute for the Semi Arid Tropics (ICRISAT) (2011). Groundnut Varieties.
[9] Ishaya, R; Ngaski, A. A; Maikasuwa, A; Abubakar, B.Z. and and Gona, A. (2018). Profitability Analysis of Groundnut Oil Processing Among Women in Zuru Emirate of Kebbi State. International Journal of Advanced Academic Research, Sciences, Technology and Engineering. 4(2): 14-27.
[10] Media Nigeria (2018).Adamawa State Population. Retrieved November, 28th November, 2019 from www.medianigeria.com/what-is-adamawa-state-population/
[11] Nnamdi, A. E (2010). Groundnuts Processing and Trading in Nigeria.
[12] Projectng (2021). Economic Analysis Of Groundnut Processing (oil And Cake) and Its Effects On Poverty Level Of The Processors In Zamfara State Nigeria
[13] Samuel , P. and Ocholi, A. (2017).Analysis of Costs And Returns of Groundnut Processing in Taraba State,Nigeria. Journal of Research in Business and Management, 5( 6): 19-26.
[14] Taphee, G. B. and Jongur, A.A.U.(2014). Analysis of Profitability of Groundnut Productin in Northern Part of Taraba State, Nigeria. International Journal of Computer Applications, 125(1):34-39.
[15] Value Chain Analyses for Development (VCAD,2020). Groundnut Value Chain analysis in Ghana. Retrieved October, 7th 2021 from www.europa.edu/capacity4dev/value-chain-analysis.
[16] Yamane, T. (1967). Statistics: An Introductory Analysis, 2nd Edition; Hamper and Row.
[17] Yaro, M. (2020). Socio-transmitted Helminthiasis and Schistosomiasis among Residents along River Benue Adamawa State, Nigeria. A thesis Submitted to Zoology Department, Modibbo Adama University, Yola.

Ahmed Usman, Toroma Lawrence and Bawa Bala “Analysis of Groundnut Value Chain in Hong Local Government Area of Adamawa State in North Eastern Nigeria” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.07-10 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/07-10.pdf

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Enhancing Cognitive Radio Spectrum Sensing Using Intelligent Routing Technique

Eze Obinna Peter, Prof G.N Onoh, Prof. Eke J.- January 2022 Page No.: 11-15

The delay in transmitting data from one point to the other has necessitated to introducing enhancing cognitive radio spectrum sensing using intelligent routing technique. This can be achieved in this manner; characterizing the base station, determining the interference, congestion, high bit error rate, from the characterized network that prevents spectrum sensing and causes network failure, designing a fuzzy based rule for cognitive radio spectrum sensing that would reduce high bit error rate and congestion in the system and designing a SIMULINK model for enhancing cognitive radio spectrum sensing using intelligent routing technique. The results obtained for highest conventional congestion is 2.21 while that when intelligent routing is incorporated is 1.946 at day seven. Similarly highest conventional bit error rate occurred at day one is 0.000084bits while the highest bit error rate when an intelligent routing occurred at the same day one is 0.00007394bits. With these results obtained, it shows that using intelligent routing gives better network performance in terms of transmitting data fast than when conventional method is applied in the system.

Page(s): 11-15                                                                                                                  Date of Publication: 02 February 2022

 Eze Obinna Peter
Enugu State University of Science and technology Enugu, Nigeria

 Prof G.N Onoh
Enugu State University of Science and technology Enugu, Nigeria

 Prof. Eke J.
Enugu State University of Science and technology Enugu, Nigeria

[1] RASHAD M. Eletreby, Hany M. Elsayed and Mohammed M. Khairy “Optional Spectrum Assignment for Cognitive Radio Sensor networks under coverage constraint”Department of Electronics and Electrical Engineering, Faculty of Engineering, Cairo University, Egypt, 2014.
[2] Goutnam Ghosh, Prason Das and SubhajitChalterjee “Cognitive Radio and Dynamic Spectrum Access – A study” International Journal of Next-Generation networks (IJNGN) vol. 6, No. 1, March 2014.
[3] Anita Garhwal and PratimBhattaelarge“ A survey on dynamic spectrum access techniques for cognitive radio” international Journal of next generation network (IJNGN) vol. 3, No.4, December 2011
[4] Hishan Mohammed Almaseid Spectrum Allocation algorithm for cognitive radio mesh networks (2011). Graduate these and dissertations. Paper 10383.
[5] Shahzad A. et al. (2010), “ Comparative Analysis of Primary transmitter Detection based spectrum sensing techniques in cognitive radio system; australan journal of basic and applied scenes. 4 (a), pp: 45 22-4531, INSI net publication.
[6] MansiSubhedar and GajananBirajdar “Spectrum for Sensing techniques in cognitive radio networks: A survey” International Journal of next-generation on networks (IJNGN) vol. 3, No. 2, June 2011

Eze Obinna Peter, Prof G.N Onoh, Prof. Eke J. “Enhancing Cognitive Radio Spectrum Sensing Using Intelligent Routing Technique” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.11-15 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/11-15.pdf

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Implementation of a Type-2 Fuzzy Logic Based Prediction System for the Nigerian Stock Exchange

Isobo Nelson Davies, Donald Ene, Ibiere Boma Cookey, Godwin Fred Lenu – January 2022 Page No.: 16-23

Stock Market can be easily seen as one of the most attractive places for investors, but it is also very complex in terms of making trading decisions. Predicting the market is a risky venture because of the uncertainties and non-linear nature of the market. Deciding on the right time to trade is key to every successful trader as it can lead to either a huge gain of money or totally a loss in investment that will be recorded as a careless trade. The aim of this research is to develop a prediction system for stock market using Fuzzy Logic Type-2 which will handle these uncertainties and complexities of human behaviour in general when it comes to buy/hold/sell decision making in stock trading. The proposed system was developed using VB.NET programming language as frontend (interfaces) and Microsoft SQL Server as backend (database).A total of four different technical indicators were selected for this research. The selected indicators are the Relative Strength Index (RSI), William Average (WA), Moving Average Convergence/Divergence (MACD), and Stochastic Oscillator (SO).These indicators serve as input variable to the Fuzzy System. The MACD and SO are deployed as primary indicators, while the RSI and WA are used as secondary indicators. Fibonacci retracement ratio (Tuning Factor) was adopted for the secondary indicators to determine their support and resistance level in terms of making trading decisions. The input variables to the Fuzzy System is fuzzified to “Low”, “Medium”, and “High” using the Triangular and Gaussian Membership Function. The Mamdani Type Fuzzy Inference rules were used for combining the trading rules for each input variable to the fuzzy system. The developed system was tested using sample data collected from ten different companies listed on the Nigerian Stock Exchange (NSE) for a total of fifty-two periods. The dataset collected are Opening, High, Low, and Closing prices of each security. These datasets were used for calculating the technical indicators and also for evaluating the performance of the system. The developed system outperformed other existing system and therefore the output can be used to draw inference in terms of making buy/hold/sell trading decisions.

Page(s): 16-23                                                                                                                  Date of Publication: 03 February 2022

 Isobo Nelson Davies
Department of Computer Science, Rivers State University, Port Harcourt Nigeria

 Donald Ene
Department of Computer Science, Rivers State University, Port Harcourt Nigeria

 Ibiere Boma Cookey
Department of Computer Science, Rivers State University, Port Harcourt Nigeria

 Godwin Fred Lenu
Department of Computer Science, Rivers State University, Port Harcourt Nigeria

[1] A.G. Ahmed, S. E. Raaffat, & M. D. Nevins (2007). Stock Technical Analysis using Multi Agent and Fuzzy. London, U.K: Proceedings of the World Congress on Engineering.
[2] S. Rajendran, J. Chinnappan, & R. Alwar (2014). A Technique to stock market prediction using fuzzy clustering. Computing and Informatics, 33, 992-1024.
[3] G. Preethi, & B. Santhi (2012). Stock Market Forecasting Techniques: A Survey. Journal of Theoretical & Applied Information Technology, 46 (1), 55-58.
[4] X. Zhang, Y. Zhang,, S. Wang, Y. Yao, B. Fang, & S. Y. Philip (2018). Improving stock market prediction via heterogeneous information fusion. Knowledge-Based Systems, 143, 236-247.
[5] S. S. Pai, & P. Kar (2019). Time Series Forecasting for stock market prediction through data discretization by fuzzistics and rule generation by rough set theory. Mathematics and Computers in Simulatio.
[6] A. Pathak & N. P. Shetty (2019). Indian Stock Market Prediction Using Machine Learning and Sentiment Analysis Computational Intelligence in Data Mining (pp. 595-603): Springer.
[7] N. Suanu, L. G. Kabari, & D. O. P. Asagba (2012). Nigerian Stock Market Investment using a Fuzzy Strategy. Journal of Infrmation Engineering and Applications, 2, 2224-5782.
[8] A. D. Ijegwa,V. O. Rebecca, F. Olusegun, & O. O. Isaac (2014). A predictive stock market technical analysis using fuzzy logic. Computer and information science, 7 (3), 1913-8997.
[9] A. B. Rapheal, & S. Bhattacharya (2020). A Study on the Effect of Fuzzy Membership Functionon Fuzzified RIPPER for Stock Market Prediction. Paper presented at the Proceedings of the 4th International Conference on Machine Learning and Soft Computing.
[10] Z. Jankova, & P. Dostal (2021). Prediction of European Stock Indexes using Neuro-Fuzzy Technique. Trendy Eknomiky: A Management Trend Economics and Management, 1 (35), 45-57.
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[12] S. Kamath (2012). Stock Market Analysis. (Master of Science (MS) Mater’s Project), San Jose State University.
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Isobo Nelson Davies, Donald Ene, Ibiere Boma Cookey, Godwin Fred Lenu “Implementation of a Type-2 Fuzzy Logic Based Prediction System for the Nigerian Stock Exchange” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.16-23 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/16-23.pdf

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Economic Analysis of Natural Gas Pipeline Construction and Electricity Transmission Loss Consideration

Agboola O.P., Uhunmwangho, R. – January 2022 Page No.: 24-33

The site of electrical power plants has been a subject of interest due to the advent of electricity and the distance between energy sources (mines, oil and gas fields, and water bodies for renewable energy) and distance load (cities and industrial hubs) centers. The quest for sufficient energy infrastructure to propel Nigeria’s huge and growing population of about 190 million and also to power the much-anticipated industrialization and economic growth and development made government embark on unprecedented investment in natural gas and electricity generation, transmission and distribution infrastructure. The Geregu gas turbine project, located in Geregu, Kogi State consist of a FGN 414 MW open cycle gas turbine commissioned in 2007 and a NIPP 444 MW open cycle gas turbine commissioned in 2013. These turbines are fed with atural gas from Oben gas fields in Edo state through 36 inches, 196 km pipeline whose construction cost is $228,317,572.65 and with revenue form current transportation charges of $0.80/MSCF, has a payback period of sixteen years. However, if the power plants were to be sited in Edo State and a 330 KV transmission line constructed from the power plant to Kogi state, the construction cost would have been $123,426,000.00 and with revenue from current tariff charges of $8.76/MWH, the payback period is 12 years. Hence it is cheaper to construct the power plant in Edo state and evacuate the generated energy via 330 kV transmission lines to Kogi state than to construct the plant in Kogi state and supply natural gas to it via pipeline. Nevertheless, the Oben-Geregu pipeline has throughput capacity of about 1.2 billion scf/d of gas and since the maximum gas requirement by the power plants is 210 MMSCF, the pipeline can serve additional installation requiring natural gas feed along its route thereby raking in additional revenue and thus reduction in its payback period.

Page(s): 24-33                                                                                                                  Date of Publication: 03 February 2022

 Agboola O.P.
Dept. of Electrical & Electronic Engineering, University of Port Harcourt, Nigeria, Nigeria

 Uhunmwangho, R.
Dept. of Electrical & Electronic Engineering, University of Port Harcourt, Nigeria, Nigeria

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Agboola O.P., Uhunmwangho, R. “Economic Analysis of Natural Gas Pipeline Construction and Electricity Transmission Loss Consideration” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.24-33 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/24-33.pdf

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Effects of Variable Pressure Gradient on Magnetohydrodynamic Flow between Parallel Plates considering Variable Transverse Magnetic Fields

Priscilla Twili Kimanthi., Isaac Chepkwony- January 2022 Page No.: 34-39

Analysis of the effects of applying variable pressure gradient to a Magnetohydrodynamic fluid flowing between two parallel plates under the influence of variable transverse magnetic fields are investigated. The study involves a steady, incompressible hydromagnetic fluid flowing through parallel plates. The upper plate is considered porous moving in the opposite direction to the fluid flow while the lower plate remains stationary. The results obtained shows that velocity profiles decreases whenever Reynold number, magnetic number or suction parameter is increased. As the pressure gradient is increased, velocity of the flow increased but temperature decreased. Also, increase in suction number yields to increase in temperature profile.

Page(s): 34-39                                                                                                                   Date of Publication: 03 February 2022

 Priscilla Twili Kimanthi
Department of mathematics and actuarial sciences, Kenyatta University, Kenya

 Isaac Chepkwony
Department of mathematics and actuarial sciences, Kenyatta University, Kenya

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[8] Singh, C. B. (2014). Hydromagnetic steady flow of liquid between two parallel infinite plates under applied pressure gradient, when upper plate is moving with constant velocity under the influence of inclined magnetic field. Kenya Journal of Sciences Series A, 15(2), 2.

Priscilla Twili Kimanthi., Isaac Chepkwony “Effects of Variable Pressure Gradient on Magnetohydrodynamic Flow between Parallel Plates considering Variable Transverse Magnetic Fields” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.34-39 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/34-39.pdf

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Implementation of Land Tenure Settlement in Forest Area as a Land Object of Agrarian Reform in Central Sulawesi Province

Monang Parlindungan Hasibuan, Imran Rachman- January 2022 Page No.: 40-46

The allocation and utilization of forest resources is closely related to forest land tenure policies. Problems related to overlapping claims to forest areas are basically related to the existence of various products that can be utilized from forest resources and other potential natural resources. This encourages various parties to “participate” in the utilization and use of forest areas, which in the end gives rise to disputes or disagreements over resources that lead to forest resource conflicts. The research focus is on the Implementation of Land Settlement in Forest Areas (PTKH) in Central Sulawesi Province. The study used a qualitative approach through field observations and in-depth interviews. Data analysis was carried out qualitatively-descriptively. The results show that Agrarian Reform is a constitutional mandate to provide a sense of justice in order to create prosperity for the people, and resolve forest area problems and conflicts. Completion of the ongoing control and use of land in forest areas through PTKH activities to provide a sense of justice in order to create prosperity for the people, and resolve forest area problems and conflicts. The implementation of PTKH is in the form of legalizing assets through the release of forest areas and legalizing access through social forestry licensing in Central Sulawesi Province with recommendations for settlement patterns for changing boundaries (asset rights) and social forestry licensing patterns (access rights).

Page(s): 40-46                                                                                                                   Date of Publication: 03 February 2022

DOI : 10.51584/IJRIAS.2022.7101

 Monang Parlindungan Hasibuan
Postgraduate Doctoral Student, Tadulako University, Indonesia

 Imran Rachman
Forestry Studies Program, Faculty of Forestry, Tadulako University, Indonesia

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Monang Parlindungan Hasibuan, Imran Rachman “Implementation of Land Tenure Settlement in Forest Area as a Land Object of Agrarian Reform in Central Sulawesi Province” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.40-46 January 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7101

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Improving Spectrum Sensing in Cognitive Radio Using Routing Technique

Eze Obinna Peter, Prof. G.N Onoh, Prof. Eke J.- January 2022 Page No.: 47-52

The delay in transmitting piece of information in our communication network as a result of inefficiency spectrum sensing has become a very big problem in our communication network this present era. The delay in transmitting network as a result of inefficiency in spectrum sensing can be overcome by improving spectrum sensing in cognitive radio using routing technique. It is done in this manner, characterizing the network understudy, determining the interference, congestion, high bit error rate, low signal to noise ratio from the characterized network that prevents spectrum sensing and causes network failure, designing a routing rule base that reduces interference, congestion in the network thereby enhances spectrum sensing and network performance, determining the shortest route that enhances easy flow of data and spectrum sensing, training the rule base to stick strictly in reducing interference, congestion and enhancing spectrum sensing, designing an algorithm for trained rule sensing in the network, designing a Simulink model for improving spectrum sensing in cognitive radio without using routing technique, designing a Simulink model for improving spectrum sensing in cognitive radio using routing technique and justifying and validating the network performance conventionally and using routing technique . The result obtained is conventional congestion of 3.05 and congestion when routing technique is used is 1.1000. The percentage congestion reduction when routing technique is used over conventional approach is 46.98%. With this results obtained, it shows that using routing technique has better spectrum sensing ability and free communication network than when conventional method is applied.

Page(s): 47-52                                                                                                                   Date of Publication: 14 February 2022

 Eze Obinna Peter
Enugu State University of Science and Technology Enugu, Nigeria

 Prof. G.N Onoh
Enugu State University of Science and Technology Enugu, Nigeria

 Prof. Eke J.
Enugu State University of Science and Technology Enugu, Nigeria

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Eze Obinna Peter, Prof. G.N Onoh, Prof. Eke J. “Improving Spectrum Sensing in Cognitive Radio Using Routing Technique” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.47-52 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/47-52.pdf

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Quality Assurance Testing of Some Malaria Rapid Diagnostic Tests Procured from Open Markets in Lagos State, Nigeria

Okangba, C.C., Elikwu C. J., Tayo B., Nwadike, V.U., Shonekan O, Omeonu, A.C., Faluyi, B., Engime, E., Okangba, K. K, Shyllon, O.I., Solanke, O.A., Taiwo. A. A., Wali, O.G., Williams, O. O.- January 2022 Page No.: 53-59

Malaria rapid diagnostic tests (MRDTs) have the potential of significantly improving the diagnosis of malaria in developing countries, especially where there is no adequate microscopy service for the diagnosis of malaria or act as a back-up to microscopy for inexperience personnel. However, the absolute reliance of these tests remains a problem due to uncertainty of the quality of the test and lack of confidence since there is no regulation and proper quality control. The remarkable decline in the performance of the MRDTs can be adversely affected by the high temperatures to which they were exposed to in a tropical country, manufacturer’s defects, poor storage facility, mishandling in the course of transportation and use of sub- standard materials in production. There is need for proper regulatory body to regulate the manufacturing and importation of RDTs against any unwholesome practice. Also, there is need to consider the importance of stability of diagnostic test during procurement.

Page(s): 53-59                                                                                                                   Date of Publication: 15 February 2022

 Okangba, C.C.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Elikwu C. J.
Department of Medical Microbiology, Federal Medical Centre Abeokuta, Ogun State, Nigeria

 Tayo B.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Nwadike, V.U.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria
Department of Medical Microbiology and Parasitology, University College Hospital, Ibadan, Oyo State, Nigeria

 Shonekan O
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria
Department of Medical Microbiology, Federal Medical Centre Abeokuta, Ogun State, Nigeria

 Omeonu, A.C.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Faluyi, B.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Engime, E.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Okangba, K. K.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Shyllon, O.I.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Solanke, O.A.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Taiwo. A. A.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Wali, O.G.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

 Williams, O. O.
Department of Medical Microbiology and Parasitology Benjamin Carson (Snr) School of Medicine, Babcock University. Illisan –Remo, Ogun State, Nigeria

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[5] Federal Ministry of Health (2015): National Antimalarial Treatment Guidelines National Malaria. Abuja, Nigeria.
[6] Jorgenson, P., Chantap, L., Rebueno, A., Tsuyuoka, R., Bell, D. (2007) Malaria rapid diagnostic tests in tropical climates: the need for cool chain. American Journal of Tropical Medicine and Hygiene 74: 750-754
[7] Moody Anthony (2002). Rapid diagnostic tests for malaria parasite. Clinical Microbiology Review 15(1): 66-78
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[9] Nmadu P.M., Peter E., Alexander P., Koggie A.Z., Maikenti J.I (2015). The prevalence of Malaria in Children between the ages 2-15 Visiting General Hospital Life Camp, Abuja, Nigeria. Journal of Health Sciences 5 (3): 47-51
[10] Nwaorgu O.C., Qrajaka, B.N (2011). Prevalence of malaria among children age 1-10 years old in Communities in Akwa North Local Government Area, Anambra State, Nigeria
[11] Okangba, C. Chika Charles J. Elikwua,, Emmanuel O Shobowalea, Opeoluwa Shonekan, Victor Nwadike, Babatunde Tayoa, Azubuike C. Omeonua, Bibitayo Faluyia, Chiamaka Meremikwua, Oyindamola Faladea, Demilade Osobaa, Tolulope Binuyo, Akinboboye Olutosin (2016). Histidine rich protein 2 performance in determining the prevalence of Malaria among patients presenting with clinical symptoms of Malaria. Scientific Journal of Pure and Applied Sciences. 5(1) 339-350
[12] Okangba, Chika Celen, (2019). Importance of quality assurance testing of malaria rapid diagnostic test in the case management of malaria Scientific Journal of Pure and Applied Sciences (2019) 8(5) 858-875
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[14] Reyburn H, Mbatia R, Drakeley C, Carneiro I, Mwakasungula E, Mwerinde O, Sanganda K, Shao J, Kitua A, Olomi R, Greenwood BM, Whitty C.J (2004). Overdiagnosis of malaria in patients with severe febrile illness in Tanzania: a prospective study. BMJ Clinical research ed. 329: 1212
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[16] Tekola E, Teshome G Jeremiah N, Patricia M. G, Estifanos B. S, Yshewame brat E, Berhat G, Gedeon Y, Tesfaye T, Ayenew M, Mulat Z, Asrat G, Aryc W. M, Paul M. E, and Frank O. R (2008). Evaluation of light microscopy and rapid diagnostic tests for the detection of malaria under operational field conditions: a household survey in Ethiopia Malaria Journal 7: 118
[17] Sani, U.M., Jiya, N.M., Ahmed, H., (2013). Evaluation of malaria rapid diagnostic test among febrile children in Sokoto, Nigeria. Int. J. Med. Med. Sci., ISSN 2167, 3(5), 434-440.
[18] Ukibe S.N., Ukibe, N.R., Mbanugo J.I., Ikeakor I.R (2017). Prevalence of malaria among pregnant women attending ante natal clinics in hospitals in Anambra State, South East, Nigeria. Nigeria Journal of Parasitology 37(2):240
[19] World Health Organization (2000a). Approaches to the diagnosis of malaria. In: malaria diagnosis. Report of a joint WHO/USAID informal consultation pg 10-18
[20] World Health Organization (2000). New perspective: malaria diagnosis. Report of a joint WHO/USAID informal consultation 25-27 October 1999. World Organization
[21] World Health Organization (2003). Malaria rapid diagnosis, Making it Work. RS/2003/GE/05(PHL)
[22] World Health Organization (2004). Rapid Diagnostic Tests for malaria: Methods Manual for Laboratory Quality Control Testing. Version 2. World Health Organization, Manila
[23] World Health Organization (2005). Interim notes on selection of types of malaria rapid diagnostic tests in relation to the occurrence of different parasite species. Regional office for Africa and Western Pacific
[24] World Health Organization (2006). The role of laboratory diagnosis to support malaria disease management. Focus on the use of rapid diagnostic tests in areas of high transmission. Report of a WHO technical consultation. Geneva, Switzerland
[25] World Health Organization (2008). Methods manual for laboratory Quality Control Testing of Malaria Rapid Diagnostic Tests. UNICEF/UNDP/World Bank/WHO. Special Programme for research and training in tropical disease (TDR). Foundation for Innovative Diagnosis (FIND) 1216 Geneva, Switzerland
[26] World Health Organisation (2009). The use of malaria rapid diagnostic tests. Second edition. WHO Library cataloguing in Publication Data Geneva.
[27] World Health Organization, (2010). Information note on the interim selection criteria for procurement of Malaria rapid diagnostic tests, Geneva Switzerland.
WHO, (2011). Universal access to malaria diagnostic testing: An operational manual. 1-138. Available at: www.who.int/malaria.
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Okangba, C.C., Elikwu C. J., Tayo B., Nwadike, V.U., Shonekan O, Omeonu, A.C., Faluyi, B., Engime, E., Okangba, K. K, Shyllon, O.I., Solanke, O.A., Taiwo. A. A., Wali, O.G., Williams, O. O. “Quality Assurance Testing of Some Malaria Rapid Diagnostic Tests Procured from Open Markets in Lagos State, Nigeria” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.53-59 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/53-59.pdf

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Secondary School Teachers’, Students’ and Parents’ Attitude toward In-school Vocational Training

Adeola Shobola (PhD)- January 2022 Page No.: 60-68

This paper examined the attitude of private secondary school teachers, students and parents toward in-school vocational training, and it further investigated the difference in the attitude of the stakeholders. The study adopted descriptive survey research design. The population of the study comprised of two private secondary school teachers, students and parents in Ife Central Local Government Area of Osun State. The sample size was 240 private secondary school students from four schools across classes (JS1 – SS2), their teachers and parents using simple random sampling technique. A questionnaire titled Attitude of Private Secondary School Teachers, Students and Parents toward In-school Vocational Training was used to elicit information from the respondents with a Likert scale response pattern. Data collected were analyzed using frequency and percentage counts and Anova. The results using simple percentages showed that 50.8% of the students had a positive attitude toward in-school vocational training; while the parents and teachers demonstrated a negative attitude 57.4%, and 67.5% respectively. In conclusion, the attitude of parents, teachers and students could influence students’ in-school vocational training.

Page(s): 60-68                                                                                                                   Date of Publication: 15 February 2022

 Adeola Shobola (PhD)
Department of Educational Foundations and Counselling, Faculty of Education, Obafemi Awolowo University, Ile-Ife, Nigeria

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[6] Conlon, G. and Patrignan, P. (2011). The returns to higher education qualifications, research paper 45, London: Department of Business, Industry and Skills
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[9] News Agency of Nigeria (2015). Role of vocational training in Nigeria, Abuja, Nigeria
[10] Roberts, S. (2012). No snakes, but no ladders: young people, employment, and the low skills trap at the bottom of the contemporary service economy London: Resolution Foundation United Nation Educational Scientific Commission (UNESCO) (2005). Roles of vocational education in Nigeria.

Adeola Shobola (PhD) “Secondary School Teachers’, Students’ and Parents’ Attitude toward In-school Vocational Training” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.60-68 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/60-68.pdf

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On The Survival Assessment of Diabetic Patients Using Machine Learning Techniques

Adeboye, Nureni Olawale (PhD), Adesanya, Kehinde Kazeem- January 2022 Page No.: 69-75

The extraordinary improvement in biotech and medical sciences have given rise to an impactful data production from stour Electronic Health Records (EHRs), and it has contributed significantly to the Kaggle source from which the data for this research was obtained. The dataset consists of 1416 recorded cases of diabetic patients from 130 various hospitals in the United States. This study thus assesses the survival rate of diabetic patients using machine learning techniques, and determined the duration it will take a diabetic patient to survive based on the application of the most appropriate algorithm. The research tested the application of four different algorithms which include support vector machine, logistic regression, decision tree and k-nearest neighbors’ algorithm. In line with their accuracy measured by f1-score, precision, recall and support metrics; k-nearest neighbors is seen to outperform all other algorithms for predicting the survival rate of the patients. The research also revealed that it takes a diabetic patient 30 days to survive if the patient is placed on medications according to the available information, and that the medication given to the diabetic patients is less effective in the aged patients and more effective among the younger patients.

Page(s): 69-75                                                                                                                   Date of Publication: 23 February 2022

 Adeboye, Nureni Olawale (PhD)
Department of Mathematics & Statistics, Federal Polytechnic, Ilaro, Ogun State, Nigeria

 Adesanya, Kehinde Kazeem
Department of Health Information Management, Ogun State College of Health Technology, Ilese ijebu Ode, Ogun state Nigeria.

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Adeboye, Nureni Olawale (PhD), Adesanya, Kehinde Kazeem “On The Survival Assessment of Diabetic Patients Using Machine Learning Techniques” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.69-75 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/69-75.pdf

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Bio-Sorption Properties of Cedrus Libani (Elizabeth Leaf) on Methylene Blue Dye, Bismarck Brown Y Dye and Indigo Dye by the Batch Process

Idika, D .I; Ndukwe N .A; Ogukwe C .E- January 2022 Page No.: 76-81

The adsorption properties of methylene blue dye, Bismarck brown Y dye, and Indigo dye on Cedrus libani (Elizabeth leaf) was investigated as a function of contact time, initial dye concentration, biomass dose, pH, dissolved salts, biomass particle size and temperature.
This work is aimed at expanding the field of application of natural biomass for the treatment of dye waste effluents.
The biomass was characterized by scanning electron microscopy (SEM), as well as Fourier Transformed Infrared Spectroscopy (FTIR) before and after adsorption in order to determine the functional groups responsible for the adsorption.
In all the analyses, three experiments were conducted and mean values reported.
The amount of the dye adsorbed per unit mass of the biomass (qe) was calculated and found to be dependent on all the variables investigated. Optimal pH of 2 was determined for the adsorption of Bismarck brown Y dye and Indigo dye, while a pH of 4was determined as the optimal pH for the methylene blue dye. Indigo dye was found to be the least adsorbed while Methylene blue dye was the most adsorbed within the same experimental considerations.

Page(s): 76-81                                                                                                                   Date of Publication: 23 February 2022

 Idika, D .I
Department of Basic Sciences, Chemistry Unit, Babcock University Ilesan, Remo, Ogun state, Nigeria

 Ndukwe N .A
Department of chemical sciences, Mountain Top University, Magoki, Ogun State, Nigeria

 Ogukwe C .E
Department of Industrial chemistry, Federal University of Technology, PMB 1526, Owerri Imo state, Nigeria.

[1] Low, K., Lee, C. ,Tan, K. , (1995) Bio-sorption of basic dyes by water hyacinth roots. Journal of Bioresour Technol. 52, P.79-83.
[2] Han, R., Wang,, Y. , Shi, J. , Yang, Y. , (2006) Removal of Methylene blue from aqueous solution by chaff in batch mode. Journal of hazard matter in press ( e-pub. A head of print, available on line 4th April, 2006).
[3] Amadurai , G., Janig, R. , Tee, D. , (2002) Use of cellulose based water for adsorption of dyes from aqueous solution journal of hazard matter B. 92, P.263-274.
[4] Crini , G., (2005) Recent development in polysaccharide based materials used as adsorbents in waste water treatment. Journal of progress in polymer science Vol. 30, P.38-70.
[5] Gosh , D., Bhattachrya, K., (2002) Adsorption of Methylene blue on to Kaolinite. Journal of app. Clay sci. 20, P.295-300.
[6] Han , R., Zhang,J. ,Zhou, W. , Shi, J. ,Liu, H. , (2005) Equilibrium isotherm for lead ions on chaff. Journal of hazard matter P.266-271.
[7] Eman, N. , Ali, M. , Mohdi, Y. , ( 2013 ) Removal of heavy metals by natural adsorbents : A review J. of Environmental progress and sustainable energy , 204 – 216.
[8] Vannapusa , R., Biner, S. , Cabresa, R. ,Fernandez, L. , (2008) Surface energetics to assess microbial adhesion on to fluidized chromatographic adsorbents. Journal of engineering life sci. 8, P.530.
[9] Wang , S., Zhou, H. ,Coomes, A. ,Haghseresht, F. , Lu, G. , (2004) The physical and surface chemical characteristics of activated carbon and adsorption of methylene blue from waste water. Journal of colloid interface sci. 284, P.440-446.
[10] Waranusatigul, P., Pokethitiyook, P. , Kruatrachue, E. , Ukpanthiam, S. ,(2003) Kinetics of basic dyes (Methylene blue) bio-sorption by giant duck week (Spirodela polyrrhiza). Journal of environmental pollution. P.385-392.
[11] Al-subu, M., (2002) The interaction of cypress (Cupressurs sempervirens), Cinochena (Eucalyptus longifolia) and pine (Pinus helepenses) leaves on their efficacies for lead removal from aqueous solution. Journal of environmental resource 6, P.569-578.
[12] Khattri , S., Singh, M., (1999) Adsorption of basic dyes from aqueous solution by natural adsorbent. Indian journal of chem. Technol. 6(2), P.269-282.
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[14] Titilayo , B., Bagmibade, A., Nkiko, M., Ahmed, S., Ikotun, A., (2008) Kinetics and thermodynamic studies of adsorption of malachite green on to unmodified and EDTA modified groundnut husk. Journal of hazardous materials 15, P.210-228.
[15] Yimer, S., Joshi., Bing, H, (2014) Experimental study or kinetics and equilibrium adsorption of phenol red on teff husk and husk powder. Journal of Harzardous materials. 12, 710-725.
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Idika, D .I; Ndukwe N .A; Ogukwe C .E “Bio-Sorption Properties of Cedrus Libani (Elizabeth Leaf) on Methylene Blue Dye, Bismarck Brown Y Dye and Indigo Dye by the Batch Process” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.76-81 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/76-81.pdf

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Development of a Real Time Drowsy Driver Detection System

Precious O.C., Kinsley C.I., Chukwuemeka E.E., Ebere U.C- January 2022 Page No.: 82-86

This paper presents the development of real time drowsy driver detection system. The study reviewed literature and identified that drowsy has remained a major cause of most road accidents. To address this problem a real time drowsy driver was developed using convolutional neural network and implemented as an accident prevention and control system using Mathlab. The result when tested showed that the system was able to detect drowsiness in real time which is very good.

Page(s): 82-86                                                                                                                   Date of Publication: 26 February 2022

 Precious O.C.
Enugu State University of Science and Technology, Nigeria

 Kinsley C.I.
Enugu State University of Science and Technology, Nigeria

 Chukwuemeka E.E.
Department of Computer Science, Ebonyi State University, Abakaliki, Nigeria

 Ebere U.C
Destinet Smart Technologies, New layout, Enugu, Nigeria

[1] Kayode Olagunhu (2018) “ The Implementation Of The Nigeria Road Safety Strategy And Road Traffic Crashed”: Research Project, National Institute for Policy and Strategic Studies, NIPSS Kuru; FCILT, mni
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Precious O.C., Kinsley C.I., Chukwuemeka E.E., Ebere U.C “Development of a Real Time Drowsy Driver Detection System” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.82-86 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/82-86.pdf

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Mathematical Analysis of Eco-System Stability of Honeybee Colony Infected by Virus

S.A. Adebayo, S. O. Adewale- January 2022 Page No.: 87-97

An eco-epidemiological model interaction between hive and forager honeybee with consideration of varroa mite diseases spread in the ecosystem is represented. The model is governed by a new five-dimensional nonlinear system of ordinary differential equations to investigate the dynamics of the honeybee colony. The well-posedness of the model is established concerning the positivity and boundedness of solutions. The basic reproduction number (R0) was also computed, and a sensitivity analysis was carried out on R0. The stability of the equilibrium points was determined using the Jacobian matrix with the Routh-Hurwitz criterion. Additionally, numerical simulations were performed to validate the result of the recovery class and analyzed the effect of social inhibition and disinfestation on an infected hive honeybee population in an eco-epidemiological model.

Page(s): 87-97                                                                                                                   Date of Publication: 26 February 2022

DOI : 10.51584/IJRIAS.2022.7102

 S.A. Adebayo
Department of Pure and Applied Mathematics, Ladoke Akintola University of Technology, PMB 4000, Ogbomoso, Nigeria

 S. O. Adewale
Department of Pure and Applied Mathematics, Ladoke Akintola University of Technology, PMB 4000, Ogbomoso, Nigeria

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S.A. Adebayo, S. O. Adewale “Mathematical Analysis of Eco-System Stability of Honeybee Colony Infected by Virus” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.87-97 January 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7102

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TLC Analysis of Ethanol Extract of Fresh Leaves of Celery (Apium Graveolens L.) Grown In Jos, Nigeria

Suleman S. Mshelia, Chukuka Achuenu, Esther A. Adelakun, Shirley O. Yakubu, Kuje O. Joseph- January 2022 Page No.: 98-102

Apium Graveolens L., is a member of the Apiaceaefamily. Apiaceae is a large family of mostly aromatic flowering plants whose leaf is commonly used as vegetables worldwide. The fresh leaves of Celery (Apium Graveolens L.) were crushed extracted with ethanol by Maceration and Fractionated with n-hexane and ethyl acetate. Thin Layer Chromatographic (TLC) analysis of the fractions of n-hexane and ethyl acetate were performed, important phytochemicals such as flavonoid, terpenoid and naturally occurring phhthalides were identified in the various fractions. The presence of flavonoid was revealed in n-hexane fraction with two spots whose R.f values are (0.82 and 0.58). Terpenoid presence was revealed in n-hexane fraction with two spots whose Rf values are (0.79 and 0.61) and also based on their observed colour change under ultraviolet light probably due to reaction with (vanillin-H2SO4). Phthalide was observed in ethyl acetate fraction with four spots under UV/10% H2SO4 with Rf values of (0.97, 0.67, 0.51 and 0.41). The findings provided the evidence that Apium GraveolensL. is a potent source of some medicinally important phytochemicals and natural products which justifies its use as medicinal plant and food flavourings. This can be further investigated for the isolation and structural analyses of the biological active phytochemical components for medicinal application.

Page(s): 98-102                                                                                                                   Date of Publication: 28 February 2022

DOI : 10.51584/IJRIAS.2022.7103

 Suleman S. Mshelia
Department of Chemistry, Nigerian Army university Biu, PMB 1500, Biu, Nigeria

 Chukuka Achuenu
Department of Chemistry, University of Jos, PMB 2084, Jos, Nigeria

 Esther A. Adelakun
Department of Chemistry, University of Jos, PMB 2084, Jos, Nigeria

 Shirley O. Yakubu
Federal Polytechnic Kaltungo, PMB 009, Kaltungo, Gombe State, Nigeria

 Kuje O. Joseph
Department of Chemistry, University of Jos, PMB 2084, Jos, Nigeria

[1] Uchi Roper, Dharam Palpathak,Vkash Gupta, Uma GarmaKapoor,Rubina Bhutani and Ravi Kanti.
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Suleman S. Mshelia, Chukuka Achuenu, Esther A. Adelakun, Shirley O. Yakubu, Kuje O. Joseph “TLC Analysis of Ethanol Extract of Fresh Leaves of Celery (Apium Graveolens L.) Grown In Jos, Nigeria” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.98-102 January 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7103

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Analysis of the impact of reservoir fluids invasion on well performance and productivity

Precious Chisom Jumbo-Egwurugwu; Franklin Okoro; Obo-Obaa Elera Njiran- January 2022 Page No.: 103-111

This paper assessed the impact of fluid invasion on well performance and productivity. OLGA simulation of fluid invasion into the well was done to generate data points for modelling the effect of fluid invasion on well performance and productivity. From the simulations, about 32 data points were generated which were exported to excel and was analyzed using data analysis toolpak. The outcome of the analysis generated a multi variate correlation which equated well performance in terms of volume flow rate to independent variables including the tubing total fluid content in the well. The trend volumetric plots from OLGA were used to indicate the onset of fluid invasion into the well and for this study, the critical volume flow prior to the onset of fluid invasion was 450,000 sm3/day and this occurred after about 38 hours of flow. The implication of this is that, below this rate, the well is underperforming due to fluid invasion and the continuous experience of fluid invasion will later cause a total formation damage, and when this occurs, the production is completely interrupted. The correlation revealed that the relationship between fluid content in the wellbore and the well productivity is inverse. That is, a decrease in fluid content in the wellbore results to an increase in the well productivity. With this correlation, at any point in time t, the well productivity can be predicted and from the value of the volume flow rate of the well, it can be confirmed if the wellbore is underperforming due to fluid invasion or not. The correlation was validated using statistical analysis by assessing the R square, P, Significance F values and the trend plots of the predicted volume flow rates and actual volume flow rates. These tests confirmed that the correlation is statistically significant.

Page(s): 103-111                                                                                                                   Date of Publication: 28 February 2022

 Precious Chisom Jumbo-Egwurugwu
University of Port Harcort

 Franklin Okoro
CleanScript Group

 Obo-Obaa Elera Njiran
University of Port Harcort

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Precious Chisom Jumbo-Egwurugwu; Franklin Okoro; Obo-Obaa Elera Njiran “Analysis of the impact of reservoir fluids invasion on well performance and productivity” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.103-111 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/103-111.pdf

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The Key Challenges Facing the Textiles and Apparel Manufacturing Firms in Zimbabwe: A Case Study of Harare Province

Malvern Kanyati- January 2022 Page No.: 112-158

The purpose of the study was to investigate the key challenges facing the textiles and apparel firms in Zimbabwe focusing on Harare Province. The research design used was the descriptive research with a population of thirteen textiles and apparel firms. The study consisted of a sample of ninety four respondents. A structured questionnaire was used as a data collection instrument. The questionnaire consisted of sixty one structured questions. The questionnaire was given to experts at Solusi University for face and content validity. A pilot study was carried out in five companies randomly selected in Bulawayo Province. The reliability of the questionnaires was determined using the Cronbanch’s Alpha reliability method. The Cronbach’s Alpha coefficient of 0.3 was obtained and was very low, however when factor analysis was done the commonalities showed that all items were valid henceforth reliable. In addition seven factors were extracted accounting for 80.8% of the variance hence the researcher preceded with the final study. The data for the final study was collected from thirteen companies. Data was collected, coded and analysed using Software Package for Social Sciences (SPSS) version sixteen. The study revealed that the major thirteen challenges the textiles and apparel firms were facing and the solutions respectively from the most critical one are growth, cost of capital, government policies, wage bill, management skills, technical skills, market share, imports, technology adoption and diffusion challenges, work experience, export challenges, firm size and management commitment. Based on these findings, recommendations were made.

Page(s): 112-158                                                                                                                   Date of Publication: 28 February 2022

 Malvern Kanyati
Solusi University, Zimbabwe

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Malvern Kanyati “The Key Challenges Facing the Textiles and Apparel Manufacturing Firms in Zimbabwe: A Case Study of Harare Province” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-1, pp.112-158 January 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-1/112-158.pdf

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