Njala University

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Short name

Country, city

Sierra Leone, Freetown

02zy6dj62

Organization website

Publications

582

Citations

8 093

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

582

Total citations

8093

Citations per publication

13.91

Average publications per year

9.39

Average authors per publication

7.14

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% General Medicine 64 publications, 11%
Agronomy and Crop Science	Agronomy and Crop Science, 57, 9.79% Agronomy and Crop Science 57 publications, 9.79%
Infectious Diseases	Infectious Diseases, 50, 8.59% Infectious Diseases 50 publications, 8.59%
Public Health, Environmental and Occupational Health	Public Health, Environmental and Occupational Health, 42, 7.22% Public Health, Environmental and Occupational Health 42 publications, 7.22%
Plant Science	Plant Science, 30, 5.15% Plant Science 30 publications, 5.15%
Soil Science	Soil Science, 26, 4.47% Soil Science 26 publications, 4.47%
Multidisciplinary	Multidisciplinary, 24, 4.12% Multidisciplinary 24 publications, 4.12%
Parasitology	Parasitology, 22, 3.78% Parasitology 22 publications, 3.78%
Geography, Planning and Development	Geography, Planning and Development, 19, 3.26% Geography, Planning and Development 19 publications, 3.26%
Microbiology (medical)	Microbiology (medical), 17, 2.92% Microbiology (medical) 17 publications, 2.92%
Health Policy	Health Policy, 16, 2.75% Health Policy 16 publications, 2.75%
Management, Monitoring, Policy and Law	Management, Monitoring, Policy and Law, 14, 2.41% Management, Monitoring, Policy and Law 14 publications, 2.41%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 14, 2.41% General Earth and Planetary Sciences 14 publications, 2.41%
Water Science and Technology	Water Science and Technology, 13, 2.23% Water Science and Technology 13 publications, 2.23%
Insect Science	Insect Science, 13, 2.23% Insect Science 13 publications, 2.23%
General Environmental Science	General Environmental Science, 12, 2.06% General Environmental Science 12 publications, 2.06%
Microbiology	Microbiology, 11, 1.89% Microbiology 11 publications, 1.89%
Ecology, Evolution, Behavior and Systematics	Ecology, Evolution, Behavior and Systematics, 11, 1.89% Ecology, Evolution, Behavior and Systematics 11 publications, 1.89%
Food Science	Food Science, 10, 1.72% Food Science 10 publications, 1.72%
Immunology	Immunology, 10, 1.72% Immunology 10 publications, 1.72%
Horticulture	Horticulture, 10, 1.72% Horticulture 10 publications, 1.72%
Virology	Virology, 9, 1.55% Virology 9 publications, 1.55%
Health (social science)	Health (social science), 9, 1.55% Health (social science) 9 publications, 1.55%
Molecular Biology	Molecular Biology, 8, 1.37% Molecular Biology 8 publications, 1.37%
Atmospheric Science	Atmospheric Science, 8, 1.37% Atmospheric Science 8 publications, 1.37%
General Biochemistry, Genetics and Molecular Biology	General Biochemistry, Genetics and Molecular Biology, 7, 1.2% General Biochemistry, Genetics and Molecular Biology 7 publications, 1.2%
Animal Science and Zoology	Animal Science and Zoology, 7, 1.2% Animal Science and Zoology 7 publications, 1.2%
Renewable Energy, Sustainability and the Environment	Renewable Energy, Sustainability and the Environment, 7, 1.2% Renewable Energy, Sustainability and the Environment 7 publications, 1.2%
General Veterinary	General Veterinary, 7, 1.2% General Veterinary 7 publications, 1.2%
Forestry	Forestry, 7, 1.2% Forestry 7 publications, 1.2%
	10 20 30 40 50 60 70

Journals

	5 10 15 20 25
PLoS ONE	PLoS ONE, 22, 3.78% PLoS ONE 22 publications, 3.78%
Communications in Soil Science and Plant Analysis	Communications in Soil Science and Plant Analysis, 17, 2.92% Communications in Soil Science and Plant Analysis 17 publications, 2.92%
BMC Public Health	BMC Public Health, 15, 2.58% BMC Public Health 15 publications, 2.58%
International Journal of Infectious Diseases	International Journal of Infectious Diseases, 14, 2.41% International Journal of Infectious Diseases 14 publications, 2.41%
SSRN Electronic Journal	SSRN Electronic Journal, 12, 2.06% SSRN Electronic Journal 12 publications, 2.06%
Experimental Agriculture	Experimental Agriculture, 11, 1.89% Experimental Agriculture 11 publications, 1.89%
Scientific Reports	Scientific Reports, 11, 1.89% Scientific Reports 11 publications, 1.89%
Malaria Journal	Malaria Journal, 11, 1.89% Malaria Journal 11 publications, 1.89%
BMC Infectious Diseases	BMC Infectious Diseases, 10, 1.72% BMC Infectious Diseases 10 publications, 1.72%
The Lancet Global Health	The Lancet Global Health, 8, 1.37% The Lancet Global Health 8 publications, 1.37%
Annals of Botany	Annals of Botany, 7, 1.2% Annals of Botany 7 publications, 1.2%
PLOS Global Public Health	PLOS Global Public Health, 7, 1.2% PLOS Global Public Health 7 publications, 1.2%
Reproductive Health	Reproductive Health, 6, 1.03% Reproductive Health 6 publications, 1.03%
The Lancet	The Lancet, 6, 1.03% The Lancet 6 publications, 1.03%
Sustainability	Sustainability, 6, 1.03% Sustainability 6 publications, 1.03%
BMJ Global Health	BMJ Global Health, 6, 1.03% BMJ Global Health 6 publications, 1.03%
Heliyon	Heliyon, 6, 1.03% Heliyon 6 publications, 1.03%
Contraception and Reproductive Medicine	Contraception and Reproductive Medicine, 6, 1.03% Contraception and Reproductive Medicine 6 publications, 1.03%
American Journal of Tropical Medicine and Hygiene	American Journal of Tropical Medicine and Hygiene, 5, 0.86% American Journal of Tropical Medicine and Hygiene 5 publications, 0.86%
BMJ Open	BMJ Open, 5, 0.86% BMJ Open 5 publications, 0.86%
Water Science and Technology: Water Supply	Water Science and Technology: Water Supply, 5, 0.86% Water Science and Technology: Water Supply 5 publications, 0.86%
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, 26.8% Springer Nature 156 publications, 26.8%
Elsevier	Elsevier, 100, 17.18% Elsevier 100 publications, 17.18%
Taylor & Francis	Taylor & Francis, 47, 8.08% Taylor & Francis 47 publications, 8.08%
Wiley	Wiley, 42, 7.22% Wiley 42 publications, 7.22%
MDPI	MDPI, 36, 6.19% MDPI 36 publications, 6.19%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 35, 6.01% Public Library of Science (PLoS) 35 publications, 6.01%
Cambridge University Press	Cambridge University Press, 24, 4.12% Cambridge University Press 24 publications, 4.12%
Oxford University Press	Oxford University Press, 21, 3.61% Oxford University Press 21 publications, 3.61%
Academic Journals	Academic Journals, 19, 3.26% Academic Journals 19 publications, 3.26%
Social Science Electronic Publishing	Social Science Electronic Publishing, 12, 2.06% Social Science Electronic Publishing 12 publications, 2.06%
BMJ	BMJ, 11, 1.89% BMJ 11 publications, 1.89%
American Society for Microbiology	American Society for Microbiology, 8, 1.37% American Society for Microbiology 8 publications, 1.37%
Frontiers Media S.A.	Frontiers Media S.A., 7, 1.2% Frontiers Media S.A. 7 publications, 1.2%
IWA Publishing	IWA Publishing, 6, 1.03% IWA Publishing 6 publications, 1.03%
SAGE	SAGE, 5, 0.86% SAGE 5 publications, 0.86%
American Society of Tropical Medicine and Hygiene	American Society of Tropical Medicine and Hygiene, 5, 0.86% American Society of Tropical Medicine and Hygiene 5 publications, 0.86%
Hindawi Limited	Hindawi Limited, 5, 0.86% Hindawi Limited 5 publications, 0.86%
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%
Emerald	Emerald, 2, 0.34% Emerald 2 publications, 0.34%
Ovid Technologies (Wolters Kluwer Health)	Ovid Technologies (Wolters Kluwer Health), 2, 0.34% Ovid Technologies (Wolters Kluwer Health) 2 publications, 0.34%
Proceedings of the National Academy of Sciences (PNAS)	Proceedings of the National Academy of Sciences (PNAS), 2, 0.34% Proceedings of the National Academy of Sciences (PNAS) 2 publications, 0.34%
Higher Education Press	Higher Education Press, 2, 0.34% Higher Education Press 2 publications, 0.34%
Microbiology Society	Microbiology Society, 2, 0.34% Microbiology Society 2 publications, 0.34%
National Council of Teachers of Mathematics	National Council of Teachers of Mathematics, 2, 0.34% National Council of Teachers of Mathematics 2 publications, 0.34%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 2, 0.34% Institute of Electrical and Electronics Engineers (IEEE) 2 publications, 0.34%
IGI Global	IGI Global, 2, 0.34% IGI Global 2 publications, 0.34%
Maximum Academic Press	Maximum Academic Press, 2, 0.34% Maximum Academic Press 2 publications, 0.34%
Walter de Gruyter	Walter de Gruyter, 1, 0.17% Walter de Gruyter 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, 8.08% University of Sierra Leone 47 publications, 8.08%
University of the Witwatersrand	University of the Witwatersrand, 28, 4.81% University of the Witwatersrand 28 publications, 4.81%
United States Naval Research Laboratory	United States Naval Research Laboratory, 28, 4.81% United States Naval Research Laboratory 28 publications, 4.81%
University of Adelaide	University of Adelaide, 26, 4.47% University of Adelaide 26 publications, 4.47%
University College London	University College London, 23, 3.95% University College London 23 publications, 3.95%
Sierra Leone Agricultural Research Institute	Sierra Leone Agricultural Research Institute, 23, 3.95% Sierra Leone Agricultural Research Institute 23 publications, 3.95%
George Mason University	George Mason University, 22, 3.78% George Mason University 22 publications, 3.78%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 20, 3.44% London School of Hygiene & Tropical Medicine 20 publications, 3.44%
Southern Cross University	Southern Cross University, 18, 3.09% Southern Cross University 18 publications, 3.09%
University of Ghana	University of Ghana, 18, 3.09% University of Ghana 18 publications, 3.09%
Karolinska Institute	Karolinska Institute, 17, 2.92% Karolinska Institute 17 publications, 2.92%
University of Health and Allied Sciences	University of Health and Allied Sciences, 17, 2.92% University of Health and Allied Sciences 17 publications, 2.92%
University College London Hospitals NHS Foundation Trust	University College London Hospitals NHS Foundation Trust, 15, 2.58% University College London Hospitals NHS Foundation Trust 15 publications, 2.58%
Tulane University	Tulane University, 15, 2.58% Tulane University 15 publications, 2.58%
University of Toronto	University of Toronto, 14, 2.41% University of Toronto 14 publications, 2.41%
Liverpool School of Tropical Medicine	Liverpool School of Tropical Medicine, 14, 2.41% Liverpool School of Tropical Medicine 14 publications, 2.41%
Johns Hopkins University	Johns Hopkins University, 13, 2.23% Johns Hopkins University 13 publications, 2.23%
King's College London	King's College London, 12, 2.06% King's College London 12 publications, 2.06%
University of New South Wales	University of New South Wales, 11, 1.89% University of New South Wales 11 publications, 1.89%
University of Tübingen	University of Tübingen, 10, 1.72% University of Tübingen 10 publications, 1.72%
Wageningen University and Research Centre	Wageningen University and Research Centre, 10, 1.72% Wageningen University and Research Centre 10 publications, 1.72%
Sierra Leone Urban Research Centre	Sierra Leone Urban Research Centre, 10, 1.72% Sierra Leone Urban Research Centre 10 publications, 1.72%
COMSATS University Islamabad	COMSATS University Islamabad, 9, 1.55% COMSATS University Islamabad 9 publications, 1.55%
Heidelberg University	Heidelberg University, 9, 1.55% Heidelberg University 9 publications, 1.55%
James Cook University	James Cook University, 9, 1.55% James Cook University 9 publications, 1.55%
Arcadia University	Arcadia University, 9, 1.55% Arcadia University 9 publications, 1.55%
Centers for Disease Control and Prevention	Centers for Disease Control and Prevention, 9, 1.55% Centers for Disease Control and Prevention 9 publications, 1.55%
Zhejiang University	Zhejiang University, 8, 1.37% Zhejiang University 8 publications, 1.37%
Makerere University	Makerere University, 8, 1.37% Makerere University 8 publications, 1.37%
Obafemi Awolowo University	Obafemi Awolowo University, 8, 1.37% Obafemi Awolowo University 8 publications, 1.37%
	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, 4.81% University of the Witwatersrand 28 publications, 4.81%
United States Naval Research Laboratory	United States Naval Research Laboratory, 28, 4.81% United States Naval Research Laboratory 28 publications, 4.81%
University of Adelaide	University of Adelaide, 26, 4.47% University of Adelaide 26 publications, 4.47%
University College London	University College London, 23, 3.95% University College London 23 publications, 3.95%
George Mason University	George Mason University, 22, 3.78% George Mason University 22 publications, 3.78%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 20, 3.44% London School of Hygiene & Tropical Medicine 20 publications, 3.44%
Southern Cross University	Southern Cross University, 18, 3.09% Southern Cross University 18 publications, 3.09%
University of Ghana	University of Ghana, 18, 3.09% University of Ghana 18 publications, 3.09%
Karolinska Institute	Karolinska Institute, 17, 2.92% Karolinska Institute 17 publications, 2.92%
University of Health and Allied Sciences	University of Health and Allied Sciences, 17, 2.92% University of Health and Allied Sciences 17 publications, 2.92%
University College London Hospitals NHS Foundation Trust	University College London Hospitals NHS Foundation Trust, 15, 2.58% University College London Hospitals NHS Foundation Trust 15 publications, 2.58%
Tulane University	Tulane University, 15, 2.58% Tulane University 15 publications, 2.58%
University of Toronto	University of Toronto, 14, 2.41% University of Toronto 14 publications, 2.41%
Liverpool School of Tropical Medicine	Liverpool School of Tropical Medicine, 14, 2.41% Liverpool School of Tropical Medicine 14 publications, 2.41%
Johns Hopkins University	Johns Hopkins University, 13, 2.23% Johns Hopkins University 13 publications, 2.23%
King's College London	King's College London, 12, 2.06% King's College London 12 publications, 2.06%
University of New South Wales	University of New South Wales, 11, 1.89% University of New South Wales 11 publications, 1.89%
University of Tübingen	University of Tübingen, 10, 1.72% University of Tübingen 10 publications, 1.72%
Wageningen University and Research Centre	Wageningen University and Research Centre, 10, 1.72% Wageningen University and Research Centre 10 publications, 1.72%
COMSATS University Islamabad	COMSATS University Islamabad, 9, 1.55% COMSATS University Islamabad 9 publications, 1.55%
Heidelberg University	Heidelberg University, 9, 1.55% Heidelberg University 9 publications, 1.55%
James Cook University	James Cook University, 9, 1.55% James Cook University 9 publications, 1.55%
Arcadia University	Arcadia University, 9, 1.55% Arcadia University 9 publications, 1.55%
Centers for Disease Control and Prevention	Centers for Disease Control and Prevention, 9, 1.55% Centers for Disease Control and Prevention 9 publications, 1.55%
Zhejiang University	Zhejiang University, 8, 1.37% Zhejiang University 8 publications, 1.37%
Makerere University	Makerere University, 8, 1.37% Makerere University 8 publications, 1.37%
Obafemi Awolowo University	Obafemi Awolowo University, 8, 1.37% Obafemi Awolowo University 8 publications, 1.37%
Chinese University of Hong Kong	Chinese University of Hong Kong, 8, 1.37% Chinese University of Hong Kong 8 publications, 1.37%
Case Western Reserve University	Case Western Reserve University, 8, 1.37% Case Western Reserve University 8 publications, 1.37%
University of Cape Coast	University of Cape Coast, 8, 1.37% University of Cape Coast 8 publications, 1.37%
	5 10 15 20 25 30

With other countries

	20 40 60 80 100 120
USA	USA, 105, 18.04% USA 105 publications, 18.04%
United Kingdom	United Kingdom, 103, 17.7% United Kingdom 103 publications, 17.7%
China	China, 70, 12.03% China 70 publications, 12.03%
South Africa	South Africa, 43, 7.39% South Africa 43 publications, 7.39%
Ghana	Ghana, 36, 6.19% Ghana 36 publications, 6.19%
Germany	Germany, 30, 5.15% Germany 30 publications, 5.15%
Australia	Australia, 26, 4.47% Australia 26 publications, 4.47%
Nigeria	Nigeria, 26, 4.47% Nigeria 26 publications, 4.47%
Canada	Canada, 22, 3.78% Canada 22 publications, 3.78%
Netherlands	Netherlands, 21, 3.61% Netherlands 21 publications, 3.61%
Switzerland	Switzerland, 17, 2.92% Switzerland 17 publications, 2.92%
Sweden	Sweden, 15, 2.58% Sweden 15 publications, 2.58%
India	India, 13, 2.23% India 13 publications, 2.23%
Kenya	Kenya, 12, 2.06% Kenya 12 publications, 2.06%
Uganda	Uganda, 12, 2.06% Uganda 12 publications, 2.06%
Côte d'Ivoire	Côte d'Ivoire, 11, 1.89% Côte d'Ivoire 11 publications, 1.89%
Pakistan	Pakistan, 11, 1.89% Pakistan 11 publications, 1.89%
Tanzania	Tanzania, 10, 1.72% Tanzania 10 publications, 1.72%
Italy	Italy, 9, 1.55% Italy 9 publications, 1.55%
Cameroon	Cameroon, 9, 1.55% Cameroon 9 publications, 1.55%
Senegal	Senegal, 9, 1.55% Senegal 9 publications, 1.55%
Ethiopia	Ethiopia, 9, 1.55% Ethiopia 9 publications, 1.55%
France	France, 8, 1.37% France 8 publications, 1.37%
Belgium	Belgium, 8, 1.37% Belgium 8 publications, 1.37%
Congo-Brazzaville	Congo-Brazzaville, 8, 1.37% Congo-Brazzaville 8 publications, 1.37%
Eswatini	Eswatini, 8, 1.37% Eswatini 8 publications, 1.37%
Norway	Norway, 7, 1.2% Norway 7 publications, 1.2%
Saudi Arabia	Saudi Arabia, 7, 1.2% Saudi Arabia 7 publications, 1.2%
Russia	Russia, 6, 1.03% Russia 6 publications, 1.03%
	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.