Njala University

Are you a researcher?

Create a profile to get free access to personal recommendations for colleagues and new articles.

Short name

Country, city

Sierra Leone, Freetown

02zy6dj62

Organization website

Publications

576

Citations

7 896

h-index

Top-3 journals

PLoS ONE (22 publications)

Communications in Soil Science and Plant Analysis (17 publications)

BMC Public Health (15 publications)

Top-3 organizations

University of Sierra Leone (47 publications)

United States Naval Research Laboratory (28 publications)

University of the Witwatersrand (28 publications)

Top-3 foreign organizations

United States Naval Research Laboratory (28 publications)

University of the Witwatersrand (28 publications)

University of Adelaide (26 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1965

Total publications

576

Total citations

7896

Citations per publication

13.71

Average publications per year

9.29

Average authors per publication

7.15

h-index

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	10 20 30 40 50 60 70
General Medicine	General Medicine, 64, 11.11% General Medicine 64 publications, 11.11%
Agronomy and Crop Science	Agronomy and Crop Science, 57, 9.9% Agronomy and Crop Science 57 publications, 9.9%
Infectious Diseases	Infectious Diseases, 50, 8.68% Infectious Diseases 50 publications, 8.68%
Public Health, Environmental and Occupational Health	Public Health, Environmental and Occupational Health, 42, 7.29% Public Health, Environmental and Occupational Health 42 publications, 7.29%
Plant Science	Plant Science, 30, 5.21% Plant Science 30 publications, 5.21%
Soil Science	Soil Science, 26, 4.51% Soil Science 26 publications, 4.51%
Multidisciplinary	Multidisciplinary, 24, 4.17% Multidisciplinary 24 publications, 4.17%
Parasitology	Parasitology, 22, 3.82% Parasitology 22 publications, 3.82%
Geography, Planning and Development	Geography, Planning and Development, 19, 3.3% Geography, Planning and Development 19 publications, 3.3%
Microbiology (medical)	Microbiology (medical), 17, 2.95% Microbiology (medical) 17 publications, 2.95%
Health Policy	Health Policy, 16, 2.78% Health Policy 16 publications, 2.78%
Management, Monitoring, Policy and Law	Management, Monitoring, Policy and Law, 14, 2.43% Management, Monitoring, Policy and Law 14 publications, 2.43%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 14, 2.43% General Earth and Planetary Sciences 14 publications, 2.43%
Water Science and Technology	Water Science and Technology, 13, 2.26% Water Science and Technology 13 publications, 2.26%
Insect Science	Insect Science, 13, 2.26% Insect Science 13 publications, 2.26%
General Environmental Science	General Environmental Science, 12, 2.08% General Environmental Science 12 publications, 2.08%
Microbiology	Microbiology, 11, 1.91% Microbiology 11 publications, 1.91%
Ecology, Evolution, Behavior and Systematics	Ecology, Evolution, Behavior and Systematics, 11, 1.91% Ecology, Evolution, Behavior and Systematics 11 publications, 1.91%
Food Science	Food Science, 10, 1.74% Food Science 10 publications, 1.74%
Immunology	Immunology, 10, 1.74% Immunology 10 publications, 1.74%
Horticulture	Horticulture, 10, 1.74% Horticulture 10 publications, 1.74%
Virology	Virology, 9, 1.56% Virology 9 publications, 1.56%
Health (social science)	Health (social science), 9, 1.56% Health (social science) 9 publications, 1.56%
Molecular Biology	Molecular Biology, 8, 1.39% Molecular Biology 8 publications, 1.39%
Atmospheric Science	Atmospheric Science, 8, 1.39% Atmospheric Science 8 publications, 1.39%
General Biochemistry, Genetics and Molecular Biology	General Biochemistry, Genetics and Molecular Biology, 7, 1.22% General Biochemistry, Genetics and Molecular Biology 7 publications, 1.22%
Animal Science and Zoology	Animal Science and Zoology, 7, 1.22% Animal Science and Zoology 7 publications, 1.22%
Renewable Energy, Sustainability and the Environment	Renewable Energy, Sustainability and the Environment, 7, 1.22% Renewable Energy, Sustainability and the Environment 7 publications, 1.22%
General Veterinary	General Veterinary, 7, 1.22% General Veterinary 7 publications, 1.22%
Forestry	Forestry, 7, 1.22% Forestry 7 publications, 1.22%
	10 20 30 40 50 60 70

Journals

	5 10 15 20 25
PLoS ONE	PLoS ONE, 22, 3.82% PLoS ONE 22 publications, 3.82%
Communications in Soil Science and Plant Analysis	Communications in Soil Science and Plant Analysis, 17, 2.95% Communications in Soil Science and Plant Analysis 17 publications, 2.95%
BMC Public Health	BMC Public Health, 15, 2.6% BMC Public Health 15 publications, 2.6%
International Journal of Infectious Diseases	International Journal of Infectious Diseases, 14, 2.43% International Journal of Infectious Diseases 14 publications, 2.43%
SSRN Electronic Journal	SSRN Electronic Journal, 12, 2.08% SSRN Electronic Journal 12 publications, 2.08%
Experimental Agriculture	Experimental Agriculture, 11, 1.91% Experimental Agriculture 11 publications, 1.91%
Scientific Reports	Scientific Reports, 11, 1.91% Scientific Reports 11 publications, 1.91%
Malaria Journal	Malaria Journal, 11, 1.91% Malaria Journal 11 publications, 1.91%
BMC Infectious Diseases	BMC Infectious Diseases, 10, 1.74% BMC Infectious Diseases 10 publications, 1.74%
The Lancet Global Health	The Lancet Global Health, 8, 1.39% The Lancet Global Health 8 publications, 1.39%
Annals of Botany	Annals of Botany, 7, 1.22% Annals of Botany 7 publications, 1.22%
PLOS Global Public Health	PLOS Global Public Health, 7, 1.22% PLOS Global Public Health 7 publications, 1.22%
Reproductive Health	Reproductive Health, 6, 1.04% Reproductive Health 6 publications, 1.04%
The Lancet	The Lancet, 6, 1.04% The Lancet 6 publications, 1.04%
Sustainability	Sustainability, 6, 1.04% Sustainability 6 publications, 1.04%
BMJ Global Health	BMJ Global Health, 6, 1.04% BMJ Global Health 6 publications, 1.04%
Heliyon	Heliyon, 6, 1.04% Heliyon 6 publications, 1.04%
Contraception and Reproductive Medicine	Contraception and Reproductive Medicine, 6, 1.04% Contraception and Reproductive Medicine 6 publications, 1.04%
American Journal of Tropical Medicine and Hygiene	American Journal of Tropical Medicine and Hygiene, 5, 0.87% American Journal of Tropical Medicine and Hygiene 5 publications, 0.87%
BMJ Open	BMJ Open, 5, 0.87% BMJ Open 5 publications, 0.87%
Water Science and Technology: Water Supply	Water Science and Technology: Water Supply, 5, 0.87% Water Science and Technology: Water Supply 5 publications, 0.87%
Archives of Public Health	Archives of Public Health, 4, 0.69% Archives of Public Health 4 publications, 0.69%
Tropical Animal Health and Production	Tropical Animal Health and Production, 4, 0.69% Tropical Animal Health and Production 4 publications, 0.69%
BMC Health Services Research	BMC Health Services Research, 4, 0.69% BMC Health Services Research 4 publications, 0.69%
Global Health Action	Global Health Action, 4, 0.69% Global Health Action 4 publications, 0.69%
Public Health	Public Health, 4, 0.69% Public Health 4 publications, 0.69%
PLoS Neglected Tropical Diseases	PLoS Neglected Tropical Diseases, 4, 0.69% PLoS Neglected Tropical Diseases 4 publications, 0.69%
Journal of Agricultural Extension and Rural Development	Journal of Agricultural Extension and Rural Development, 4, 0.69% Journal of Agricultural Extension and Rural Development 4 publications, 0.69%
Reference Series in Phytochemistry	Reference Series in Phytochemistry, 4, 0.69% Reference Series in Phytochemistry 4 publications, 0.69%
Health Policy and Planning	Health Policy and Planning, 3, 0.52% Health Policy and Planning 3 publications, 0.52%
	5 10 15 20 25

Publishers

	20 40 60 80 100 120 140 160
Springer Nature	Springer Nature, 156, 27.08% Springer Nature 156 publications, 27.08%
Elsevier	Elsevier, 99, 17.19% Elsevier 99 publications, 17.19%
Taylor & Francis	Taylor & Francis, 46, 7.99% Taylor & Francis 46 publications, 7.99%
Wiley	Wiley, 40, 6.94% Wiley 40 publications, 6.94%
MDPI	MDPI, 35, 6.08% MDPI 35 publications, 6.08%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 35, 6.08% Public Library of Science (PLoS) 35 publications, 6.08%
Cambridge University Press	Cambridge University Press, 24, 4.17% Cambridge University Press 24 publications, 4.17%
Oxford University Press	Oxford University Press, 21, 3.65% Oxford University Press 21 publications, 3.65%
Academic Journals	Academic Journals, 19, 3.3% Academic Journals 19 publications, 3.3%
Social Science Electronic Publishing	Social Science Electronic Publishing, 12, 2.08% Social Science Electronic Publishing 12 publications, 2.08%
BMJ	BMJ, 11, 1.91% BMJ 11 publications, 1.91%
American Society for Microbiology	American Society for Microbiology, 8, 1.39% American Society for Microbiology 8 publications, 1.39%
Frontiers Media S.A.	Frontiers Media S.A., 7, 1.22% Frontiers Media S.A. 7 publications, 1.22%
IWA Publishing	IWA Publishing, 6, 1.04% IWA Publishing 6 publications, 1.04%
SAGE	SAGE, 5, 0.87% SAGE 5 publications, 0.87%
American Society of Tropical Medicine and Hygiene	American Society of Tropical Medicine and Hygiene, 5, 0.87% American Society of Tropical Medicine and Hygiene 5 publications, 0.87%
Hindawi Limited	Hindawi Limited, 5, 0.87% Hindawi Limited 5 publications, 0.87%
World Scientific	World Scientific, 3, 0.52% World Scientific 3 publications, 0.52%
F1000 Research	F1000 Research, 3, 0.52% F1000 Research 3 publications, 0.52%
Ovid Technologies (Wolters Kluwer Health)	Ovid Technologies (Wolters Kluwer Health), 2, 0.35% Ovid Technologies (Wolters Kluwer Health) 2 publications, 0.35%
Proceedings of the National Academy of Sciences (PNAS)	Proceedings of the National Academy of Sciences (PNAS), 2, 0.35% Proceedings of the National Academy of Sciences (PNAS) 2 publications, 0.35%
Higher Education Press	Higher Education Press, 2, 0.35% Higher Education Press 2 publications, 0.35%
Microbiology Society	Microbiology Society, 2, 0.35% Microbiology Society 2 publications, 0.35%
National Council of Teachers of Mathematics	National Council of Teachers of Mathematics, 2, 0.35% National Council of Teachers of Mathematics 2 publications, 0.35%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 2, 0.35% Institute of Electrical and Electronics Engineers (IEEE) 2 publications, 0.35%
IGI Global	IGI Global, 2, 0.35% IGI Global 2 publications, 0.35%
Maximum Academic Press	Maximum Academic Press, 2, 0.35% Maximum Academic Press 2 publications, 0.35%
Walter de Gruyter	Walter de Gruyter, 1, 0.17% Walter de Gruyter 1 publication, 0.17%
Emerald	Emerald, 1, 0.17% Emerald 1 publication, 0.17%
American Chemical Society (ACS)	American Chemical Society (ACS), 1, 0.17% American Chemical Society (ACS) 1 publication, 0.17%
	20 40 60 80 100 120 140 160

With other organizations

	5 10 15 20 25 30 35 40 45 50
University of Sierra Leone	University of Sierra Leone, 47, 8.16% University of Sierra Leone 47 publications, 8.16%
University of the Witwatersrand	University of the Witwatersrand, 28, 4.86% University of the Witwatersrand 28 publications, 4.86%
United States Naval Research Laboratory	United States Naval Research Laboratory, 28, 4.86% United States Naval Research Laboratory 28 publications, 4.86%
University of Adelaide	University of Adelaide, 26, 4.51% University of Adelaide 26 publications, 4.51%
Sierra Leone Agricultural Research Institute	Sierra Leone Agricultural Research Institute, 23, 3.99% Sierra Leone Agricultural Research Institute 23 publications, 3.99%
University College London	University College London, 22, 3.82% University College London 22 publications, 3.82%
George Mason University	George Mason University, 22, 3.82% George Mason University 22 publications, 3.82%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 19, 3.3% London School of Hygiene & Tropical Medicine 19 publications, 3.3%
Southern Cross University	Southern Cross University, 18, 3.13% Southern Cross University 18 publications, 3.13%
University of Ghana	University of Ghana, 18, 3.13% University of Ghana 18 publications, 3.13%
Karolinska Institute	Karolinska Institute, 17, 2.95% Karolinska Institute 17 publications, 2.95%
University of Health and Allied Sciences	University of Health and Allied Sciences, 17, 2.95% University of Health and Allied Sciences 17 publications, 2.95%
University College London Hospitals NHS Foundation Trust	University College London Hospitals NHS Foundation Trust, 15, 2.6% University College London Hospitals NHS Foundation Trust 15 publications, 2.6%
Tulane University	Tulane University, 15, 2.6% Tulane University 15 publications, 2.6%
University of Toronto	University of Toronto, 14, 2.43% University of Toronto 14 publications, 2.43%
Liverpool School of Tropical Medicine	Liverpool School of Tropical Medicine, 14, 2.43% Liverpool School of Tropical Medicine 14 publications, 2.43%
Johns Hopkins University	Johns Hopkins University, 13, 2.26% Johns Hopkins University 13 publications, 2.26%
King's College London	King's College London, 12, 2.08% King's College London 12 publications, 2.08%
University of New South Wales	University of New South Wales, 11, 1.91% University of New South Wales 11 publications, 1.91%
University of Tübingen	University of Tübingen, 10, 1.74% University of Tübingen 10 publications, 1.74%
Wageningen University and Research Centre	Wageningen University and Research Centre, 10, 1.74% Wageningen University and Research Centre 10 publications, 1.74%
Sierra Leone Urban Research Centre	Sierra Leone Urban Research Centre, 10, 1.74% Sierra Leone Urban Research Centre 10 publications, 1.74%
COMSATS University Islamabad	COMSATS University Islamabad, 9, 1.56% COMSATS University Islamabad 9 publications, 1.56%
Heidelberg University	Heidelberg University, 9, 1.56% Heidelberg University 9 publications, 1.56%
James Cook University	James Cook University, 9, 1.56% James Cook University 9 publications, 1.56%
Arcadia University	Arcadia University, 9, 1.56% Arcadia University 9 publications, 1.56%
Centers for Disease Control and Prevention	Centers for Disease Control and Prevention, 9, 1.56% Centers for Disease Control and Prevention 9 publications, 1.56%
Zhejiang University	Zhejiang University, 8, 1.39% Zhejiang University 8 publications, 1.39%
Makerere University	Makerere University, 8, 1.39% Makerere University 8 publications, 1.39%
Obafemi Awolowo University	Obafemi Awolowo University, 8, 1.39% Obafemi Awolowo University 8 publications, 1.39%
	5 10 15 20 25 30 35 40 45 50

With foreign organizations

	5 10 15 20 25 30
University of the Witwatersrand	University of the Witwatersrand, 28, 4.86% University of the Witwatersrand 28 publications, 4.86%
United States Naval Research Laboratory	United States Naval Research Laboratory, 28, 4.86% United States Naval Research Laboratory 28 publications, 4.86%
University of Adelaide	University of Adelaide, 26, 4.51% University of Adelaide 26 publications, 4.51%
University College London	University College London, 22, 3.82% University College London 22 publications, 3.82%
George Mason University	George Mason University, 22, 3.82% George Mason University 22 publications, 3.82%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 19, 3.3% London School of Hygiene & Tropical Medicine 19 publications, 3.3%
Southern Cross University	Southern Cross University, 18, 3.13% Southern Cross University 18 publications, 3.13%
University of Ghana	University of Ghana, 18, 3.13% University of Ghana 18 publications, 3.13%
Karolinska Institute	Karolinska Institute, 17, 2.95% Karolinska Institute 17 publications, 2.95%
University of Health and Allied Sciences	University of Health and Allied Sciences, 17, 2.95% University of Health and Allied Sciences 17 publications, 2.95%
University College London Hospitals NHS Foundation Trust	University College London Hospitals NHS Foundation Trust, 15, 2.6% University College London Hospitals NHS Foundation Trust 15 publications, 2.6%
Tulane University	Tulane University, 15, 2.6% Tulane University 15 publications, 2.6%
University of Toronto	University of Toronto, 14, 2.43% University of Toronto 14 publications, 2.43%
Liverpool School of Tropical Medicine	Liverpool School of Tropical Medicine, 14, 2.43% Liverpool School of Tropical Medicine 14 publications, 2.43%
Johns Hopkins University	Johns Hopkins University, 13, 2.26% Johns Hopkins University 13 publications, 2.26%
King's College London	King's College London, 12, 2.08% King's College London 12 publications, 2.08%
University of New South Wales	University of New South Wales, 11, 1.91% University of New South Wales 11 publications, 1.91%
University of Tübingen	University of Tübingen, 10, 1.74% University of Tübingen 10 publications, 1.74%
Wageningen University and Research Centre	Wageningen University and Research Centre, 10, 1.74% Wageningen University and Research Centre 10 publications, 1.74%
COMSATS University Islamabad	COMSATS University Islamabad, 9, 1.56% COMSATS University Islamabad 9 publications, 1.56%
Heidelberg University	Heidelberg University, 9, 1.56% Heidelberg University 9 publications, 1.56%
James Cook University	James Cook University, 9, 1.56% James Cook University 9 publications, 1.56%
Arcadia University	Arcadia University, 9, 1.56% Arcadia University 9 publications, 1.56%
Centers for Disease Control and Prevention	Centers for Disease Control and Prevention, 9, 1.56% Centers for Disease Control and Prevention 9 publications, 1.56%
Zhejiang University	Zhejiang University, 8, 1.39% Zhejiang University 8 publications, 1.39%
Makerere University	Makerere University, 8, 1.39% Makerere University 8 publications, 1.39%
Obafemi Awolowo University	Obafemi Awolowo University, 8, 1.39% Obafemi Awolowo University 8 publications, 1.39%
Chinese University of Hong Kong	Chinese University of Hong Kong, 8, 1.39% Chinese University of Hong Kong 8 publications, 1.39%
Case Western Reserve University	Case Western Reserve University, 8, 1.39% Case Western Reserve University 8 publications, 1.39%
University of Cape Coast	University of Cape Coast, 8, 1.39% University of Cape Coast 8 publications, 1.39%
	5 10 15 20 25 30

With other countries

	20 40 60 80 100 120
USA	USA, 105, 18.23% USA 105 publications, 18.23%
United Kingdom	United Kingdom, 102, 17.71% United Kingdom 102 publications, 17.71%
China	China, 69, 11.98% China 69 publications, 11.98%
South Africa	South Africa, 43, 7.47% South Africa 43 publications, 7.47%
Ghana	Ghana, 36, 6.25% Ghana 36 publications, 6.25%
Germany	Germany, 30, 5.21% Germany 30 publications, 5.21%
Australia	Australia, 26, 4.51% Australia 26 publications, 4.51%
Nigeria	Nigeria, 26, 4.51% Nigeria 26 publications, 4.51%
Canada	Canada, 22, 3.82% Canada 22 publications, 3.82%
Netherlands	Netherlands, 21, 3.65% Netherlands 21 publications, 3.65%
Switzerland	Switzerland, 17, 2.95% Switzerland 17 publications, 2.95%
Sweden	Sweden, 15, 2.6% Sweden 15 publications, 2.6%
India	India, 13, 2.26% India 13 publications, 2.26%
Kenya	Kenya, 12, 2.08% Kenya 12 publications, 2.08%
Uganda	Uganda, 12, 2.08% Uganda 12 publications, 2.08%
Côte d'Ivoire	Côte d'Ivoire, 11, 1.91% Côte d'Ivoire 11 publications, 1.91%
Pakistan	Pakistan, 11, 1.91% Pakistan 11 publications, 1.91%
Italy	Italy, 9, 1.56% Italy 9 publications, 1.56%
Cameroon	Cameroon, 9, 1.56% Cameroon 9 publications, 1.56%
Senegal	Senegal, 9, 1.56% Senegal 9 publications, 1.56%
Tanzania	Tanzania, 9, 1.56% Tanzania 9 publications, 1.56%
Ethiopia	Ethiopia, 9, 1.56% Ethiopia 9 publications, 1.56%
France	France, 8, 1.39% France 8 publications, 1.39%
Belgium	Belgium, 8, 1.39% Belgium 8 publications, 1.39%
Congo-Brazzaville	Congo-Brazzaville, 8, 1.39% Congo-Brazzaville 8 publications, 1.39%
Eswatini	Eswatini, 8, 1.39% Eswatini 8 publications, 1.39%
Norway	Norway, 7, 1.22% Norway 7 publications, 1.22%
Saudi Arabia	Saudi Arabia, 7, 1.22% Saudi Arabia 7 publications, 1.22%
Russia	Russia, 6, 1.04% Russia 6 publications, 1.04%
	20 40 60 80 100 120

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1965 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.