Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total 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
1,460
980
0.671
* Total Citation Counts Rankings
Ranking Based On Selection :2
ENVIRONMENTAL POLLUTION
WASTEWATER TREATMENT
ADSORBENT PRODUCTION
ADSORPTION STUDIES AND BIOMASS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
875
572
0.654
* Total Citation Counts Rankings
Ranking Based On Selection :3
Geology
Earth science
Geotechnics
Structural Geology
Geophysics and Petroleum geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
231
0.996
* Total Citation Counts Rankings
Ranking Based On Selection :4
Environmental-Geotechnics
Geoinformation and Engineering Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
211
0.938
* Total Citation Counts Rankings
Ranking Based On Selection :5
Renewable Energy
Sustainable Waste Management
Water Resources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143
66
0.462
* Total Citation Counts Rankings
Ranking Based On Selection :6
PhD Environmental Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
126
125
0.992
* Total Citation Counts Rankings
Ranking Based On Selection :7
Electrical power system
Power electronic and Artificial intelligent.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
88
0.838
* Total Citation Counts Rankings
Ranking Based On Selection :8
food technology
quality assessment
response surface methodology
central composite design
nutritional stability assessment.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
25
0.424
* Total Citation Counts Rankings
Ranking Based On Selection :9
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
43
0.977
* Total Citation Counts Rankings
Ranking Based On Selection :10
Image Processing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :11
Computer systems
Renewable Energy
Vocational and Technical Education
Electrical and Electronics Engineering
Embedded System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
* Total Citation Counts Rankings
Ranking Based On Selection :12
Research & Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total Citation Counts Rankings
Ranking Based On Selection :13
Mining Engineering
Mineral Exploration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
Mohammed Aliyu
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,460
980
0.671
Solar Cells
Renewable Energy
Materials fabrication and characterization
Lawal, Anako Opotu|Dr. A.O. Lawal, A.O. Lawal, L.A. Opotu
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
875
572
0.654
ENVIRONMENTAL POLLUTION
WASTEWATER TREATMENT
ADSORBENT PRODUCTION
ADSORPTION STUDIES AND BIOMASS
Mahmoud Abdulrahman
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
231
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
225
211
0.938
Environmental-Geotechnics
Geoinformation and Engineering Geology
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
Aliyu Hassan İbrahim
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
126
125
0.992
PhD Environmental Management
Suleiman Musa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
88
0.838
Electrical power system
Power electronic and Artificial intelligent.
Grace Komolafe
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
25
0.424
food technology
quality assessment
response surface methodology
central composite design
nutritional stability assessment.
Rabi Mustapha
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
43
0.977
Bilyamin Muhammad
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
Paul Naanman Bartholomew
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
Computer systems
Renewable Energy
Vocational and Technical Education
Electrical and Electronics Engineering
Embedded System
Ibrahim Shittu Kailani
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Research & Development
Irmiya Samson Amoka
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
Mining Engineering
Mineral Exploration