The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
Solar Cells
Renewable Energy
Materials fabrication and characterization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,473
992
0.673
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Environmental management
Agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,009
748
0.741
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
ENVIRONMENTAL POLLUTION
WASTEWATER TREATMENT
ADSORBENT PRODUCTION
ADSORPTION STUDIES AND BIOMASS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
894
592
0.662
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
machine learning
Data mining machine mission artificial intelligence and their application in solving real life problems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
471
283
0.601
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Geology
Earth science
Geotechnics
Structural Geology
Geophysics and Petroleum geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
241
240
0.996
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Environmental-Geotechnics
Geoinformation and Engineering Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
219
0.944
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Radiation Measurement and Applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251
214
0.853
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Housing affordability
urban housing markets
urban land markets
professional ethics in valuation practice.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
244
192
0.787
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Industrial Symbiosis
Sustainable Development
Sustainable Production
industrial ecology
circular economy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
206
160
0.777
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
PhD Environmental Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127
126
0.992
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
Environmental Engineering
process Engineering
Bioprocess engineering
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135
122
0.904
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Corporate governance
Financial analysis and management
banking and finance
auditing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
163
120
0.736
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
AI
Collaborative search
Question Answering
Information Retrieval
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
160
114
0.713
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Agricultural Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
112
0.818
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Research in biofuels and bioenergy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
102
0.646
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Sustainability
Green Building
Computer Simulation
Courtyard Microclimates
Thermal Performance.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
142
99
0.697
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
environmental studies
adsorption studies
waste water treatment and phytochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
150
95
0.633
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Electrical power system
Power electronic and Artificial intelligent.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109
92
0.844
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Process Analysis
Integration and Design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
170
82
0.482
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Analytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
82
0.845
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
Entrepreneurship
building and surveying
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
77
0.939
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Data Analytics
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
110
71
0.645
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Renewable Energy
Sustainable Waste Management
Water Resources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143
66
0.462
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
Energy Efficiency & Conservation
Renewable Energy System
Modeling and simulation of thermodynamic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90
59
0.656
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
43
0.426
Mohammed Aliyu
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,473
992
0.673
Solar Cells
Renewable Energy
Materials fabrication and characterization
Abubakar Aminu Usman
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,009
748
0.741
Lawal, Anako Opotu
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
894
592
0.662
ENVIRONMENTAL POLLUTION
WASTEWATER TREATMENT
ADSORBENT PRODUCTION
ADSORPTION STUDIES AND BIOMASS
David Adedayo Adeniyi
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
471
283
0.601
machine learning
Data mining machine mission artificial intelligence and their application in solving real life problems
Mahmoud Abdulrahman
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
241
240
0.996
Geology
Earth science
Geotechnics
Structural Geology
Geophysics and Petroleum geology
Yamusa Bello Yamusa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
219
0.944
Environmental-Geotechnics
Geoinformation and Engineering Geology
Muhammad Attahiru Abdullahi
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251
214
0.853
Chukwuma C. Nwuba
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
244
192
0.787
Housing affordability
urban housing markets
urban land markets
professional ethics in valuation practice.
Musa Lawal
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
206
160
0.777
Industrial Symbiosis
Sustainable Development
Sustainable Production
industrial ecology
circular economy
Aliyu Hassan İbrahim
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127
126
0.992
PhD Environmental Management
Abubakar Ali Muhammad|Ali Abubakar M., Abubakar M. Ali, Ali M. Abubakar
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135
122
0.904
Environmental Engineering
process Engineering
Bioprocess engineering
Chemical Engineering
Aminu Bebeji
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
163
120
0.736
Corporate governance
Financial analysis and management
banking and finance
auditing
Adekunle Isiaka Obasa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
160
114
0.713
AI
Collaborative search
Question Answering
Information Retrieval
Nuhu Garba
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
112
0.818
Agricultural Engineering
Haruna Ibrahim
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
102
0.646
Modi Sule Zango
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
142
99
0.697
Sustainability
Green Building
Computer Simulation
Courtyard Microclimates
Thermal Performance.
Yagana Baba Abba
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
150
95
0.633
environmental studies
adsorption studies
waste water treatment and phytochemistry
Suleiman Musa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109
92
0.844
Electrical power system
Power electronic and Artificial intelligent.
Hassan Funsho Akande
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
170
82
0.482
James Yusuf
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
82
0.845
Ikupolati Alexander
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
77
0.939
Entrepreneurship
building and surveying
Nurudeen Aa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
110
71
0.645
Muhammad Sani Shehu
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143
66
0.462
Renewable Energy
Sustainable Waste Management
Water Resources
Engr. Haruna Abubakar
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90
59
0.656
Energy Efficiency & Conservation
Renewable Energy System
Modeling and simulation of thermodynamic
Abdulsalaam Ihima Alli
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
43
0.426