Hamzza Kamara - Articles - Scientific Research Publishing

Determining the Trends of Different Plasmodium Species in Children 0 - 2-Year Post Administration Sulfadoxine and Pyrimethamine in Selected Hospitals in the Metropolitan District of Sierra Leone (Articles)

Arthur B. C. Garber, Esther Blessing Thomas, Enoch Aninagyei, Hamzza Kamara, Salamatu Koroma, Sorie I. O. Bangura, Saidu Bangura, Babatunde Duduyemi, Isatta Wurie, Mohamed Hindolo Samai

Open Journal of Medical Microbiology Vol.15 No.3, September 22, 2025

DOI: 10.4236/ojmm.2025.153014 112 Downloads 532 Views Citations
A Study on Goods and Services Tax Reforms, Its Enactment, Implementation and Administration in Sierra Leone (Articles)

Abu Kai Kamara, Sheriff Kamara

Open Access Library Journal Vol.10 No.1, January 16, 2023

DOI: 10.4236/oalib.1109651 192 Downloads 2,017 Views Citations
Exploring the Implementation and Benefit of Digital Reforms in Tax Administration: National Revenue Authority (NRA) Sierra Leone (Articles)

Abu Kai Kamara, Sheriff Kamara

Open Access Library Journal Vol.10 No.2, February 23, 2023

DOI: 10.4236/oalib.1109767 221 Downloads 1,845 Views Citations
The Study of the Impact of Microfinance on Small and Medium Scale Enterprises (SMEs) in Sierra Leone: A Case Study of ECOBANK Microfinance Sierra Leone (Articles)

Sheku Kamara, Abu Kai Kamara

Open Access Library Journal Vol.10 No.5, May 31, 2023

DOI: 10.4236/oalib.1110113 369 Downloads 4,601 Views Citations
The Impact of Tax Strategies on Revenue Mobilization in Sierra Leone (Articles)

Abu Kai Kamara, Sheku Kamara

Open Access Library Journal Vol.10 No.8, August 30, 2023

DOI: 10.4236/oalib.1110307 281 Downloads 3,044 Views Citations
Improving Revenue Collections through Tax Reforms: Evidence from National Revenue Authority, Sierra Leone (Articles)

Abu Kai Kamara, Sheriff Kamara, Philip Koroma

Open Access Library Journal Vol.9 No.12, December 27, 2022

DOI: 10.4236/oalib.1109338 156 Downloads 1,851 Views Citations
Integration of GIS in the Development of an Environmental Cadastre Administrative System for the Environment Protection Agency Sierra Leone (Articles)

Samuel Mohamed Kamara

Journal of Geographic Information System Vol.11 No.4, August 7, 2019

DOI: 10.4236/jgis.2019.114026 1,174 Downloads 3,495 Views Citations
Development of a Geographic Information Systems Baseline Spatial Geodatabase Template for Evaluating Potential and Predicted Environmental Impacts for Sustainable Environmental Impact Assessment of Mining in Sierra Leone (Articles)

Samuel Mohamed Kamara

Journal of Geoscience and Environment Protection Vol.8 No.10, October 30, 2020

DOI: 10.4236/gep.2020.810018 1,295 Downloads 4,591 Views Citations
The Study on Effectiveness of Internal Audit on the Performance of the Public Sector in Sierra Leone: A Case Study of the National Social Security Insurance Trust (Articles)

Abu Kai Kamara

Open Access Library Journal Vol.10 No.8, August 25, 2023

DOI: 10.4236/oalib.1110431 953 Downloads 8,897 Views Citations
An Assessment of the Effectiveness of the Internal Audit on the Performance of the Public Sector: Case Study of the National Revenue Authority (NRA) (Articles)

Abu Kai Kamara

Open Access Library Journal Vol.10 No.8, August 25, 2023

DOI: 10.4236/oalib.1110432 369 Downloads 2,959 Views Citations
Management of Radiation Contaminated Solid Wastes Aggregated from Radioactive Experimental Analysis (Articles)

Hassan Mansaray, Saidu Kamara

World Journal of Nuclear Science and Technology Vol.16 No.3, July 22, 2026

DOI: 10.4236/wjnst.2026.163006 22 Downloads 175 Views Citations
A Grobner Bases Approach to the Detection of Improperly Parameterized Rational Curve (Articles)

Amadu Fullah Kamara, Mohamed Abdulai Koroma

American Journal of Computational Mathematics Vol.3 No.1, March 27, 2013

DOI: 10.4236/ajcm.2013.31007 3,076 Downloads 5,739 Views Citations
The Study of Causes and Effects of Cost Categorization on Environmental Management Accounting (EMA) at Sierra Mineral Holdings Limited in Sierra Leone (Articles)

Abu Kai Kamara, Eugene Efayomi Pratt

Open Access Library Journal Vol.10 No.1, January 11, 2023

DOI: 10.4236/oalib.1109553 186 Downloads 1,381 Views Citations
Effect of Domestic Politics on Aid’s Effectiveness in Improving Human Welfare in Sierra Leone (2000-2019) (Articles)

Abu Kai Kamara, Prince Lahai Momoh

Open Access Library Journal Vol.10 No.1, January 16, 2023

DOI: 10.4236/oalib.1109542 101 Downloads 722 Views Citations
A Study on the Operationalization of Environmental Management Accounting within Sierra Mineral Holdings Limited in Sierra Leone (Articles)

Abu Kai Kamara, Eugene Efayomi Pratt

Open Access Library Journal Vol.10 No.3, March 31, 2023

DOI: 10.4236/oalib.1109825 163 Downloads 1,143 Views Citations
An Exploratory Study on the Implementation of Student Loans in Alleviating Poverty and Its Contribution to Human Capital Development in Sierra Leone (Articles)

Abu Kai Kamara, Prince Lahai Momoh

Open Access Library Journal Vol.10 No.4, April 19, 2023

DOI: 10.4236/oalib.1109791 155 Downloads 1,514 Views Citations
Technological Advancements of Energy Storage Systems Technologies in Africa: A Review (Articles)

Mohamed Koroma, Gibrilla Salaam Kamara, Alhaji Mansaray, Ishmail Dainkeh Kamara, Momoh Conteh

Open Journal of Energy Efficiency Vol.14 No.2, April 28, 2025

DOI: 10.4236/ojee.2025.142003 150 Downloads 1,048 Views Citations
Growth and Yield Performance of Groundnut (Arachis hypogea L.) at Different Planting Dates in the Savannah Grassland Agro-Ecology of Sierra Leone (Articles)

Bai-Bureh O’Bai Kamara, Suffian Mansaray, Ernest Gibril Kamara, Raymond Massaquoi, Tamba Moses Moseray

Agricultural Sciences Vol.16 No.8, August 11, 2025

DOI: 10.4236/as.2025.168045 161 Downloads 1,099 Views Citations
Scattering of the Radial Focusing Mass-Supercritical and Energy-Subcritical Nonlinear Schrödinger Equation in 3D (Articles)

Mujahid Abd Elmjed M-Ali, Amadu Fullah Kamara

Advances in Pure Mathematics Vol.3 No.1A, January 30, 2013

DOI: 10.4236/apm.2013.31A023 3,533 Downloads 6,553 Views Citations
This article belongs to the Special Issue on Differential Equations and Dynamic Systems
Seasonal Changes in Vegetation and Land Use in Lassa-Fever-Prone Areas (Kenema and Kailahun Districts) in Eastern Sierra Leone (Articles)

Alie Kamara, Bashiru Mohamed Koroma, Alhaji Brima Gogra

Natural Resources Vol.6 No.7, July 23, 2015

DOI: 10.4236/nr.2015.67043 3,002 Downloads 4,630 Views Citations

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