Tejan Andrew Rollings Kamara - Articles - Scientific Research Publishing

Impact of Infrastructure Investment on Port Efficiency: A Case Study of Queen Elizabeth II Quay, Sierra Leone (Articles)

Tejan Andrew Rollings Kamara, Alpha Uthman Turay, Souldan Mohamed Souldan, Dusingize Jean Paul, Donaldson Smith, Viorina Smith, Alimamy Alpha Conteh

Journal of Transportation Technologies Vol.15 No.2，March 12, 2025

DOI: 10.4236/jtts.2025.152011 79 Downloads 575 Views Citations
Necrotizing Fasciitis of the Upper and Lower Limbs: Port Harcourt Experience (Articles)

Rollings Jamabo, Solomon Elenwo

International Journal of Clinical Medicine Vol.2 No.2，May 27, 2011

DOI: 10.4236/ijcm.2011.22017 4,995 Downloads 8,685 Views Citations
Management Control Procedures and Environment of Local Councils, Sierra Leone (Case: Bo and Kenema Districts Councils) (Articles)

Sualiho Sheriff, Rev. Micheal Tejan Gbenday

Open Journal of Business and Management Vol.10 No.3，May 31, 2022

DOI: 10.4236/ojbm.2022.103077 408 Downloads 1,723 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 150 Downloads 1,624 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 171 Downloads 1,333 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 324 Downloads 3,927 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 198 Downloads 2,042 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 126 Downloads 1,497 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 1,065 Downloads 2,754 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 1,114 Downloads 3,886 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 837 Downloads 7,880 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 285 Downloads 2,235 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 2,937 Downloads 5,414 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 154 Downloads 1,148 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 70 Downloads 537 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 109 Downloads 792 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 124 Downloads 1,144 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 71 Downloads 595 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 85 Downloads 558 Views Citations
Can a Massive Graviton be a Stable Particle (Articles)

Andrew Beckwith

Journal of Modern Physics Vol.2 No.5，May 17, 2011

DOI: 10.4236/jmp.2011.25043 6,500 Downloads 10,615 Views Citations

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