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
1,441
960
0.666
* Total Citation Counts Rankings
Ranking Based On Selection :2
Environmental management
Agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
858
613
0.714
* Total 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
840
539
0.642
* Total 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
446
260
0.583
* Total Citation Counts Rankings
Ranking Based On Selection :5
Housing affordability
urban housing markets
urban land markets
professional ethics in valuation practice.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
237
185
0.781
* Total Citation Counts Rankings
Ranking Based On Selection :6
Geology
Earth science
Geotechnics
Structural Geology
Geophysics and Petroleum geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
222
221
0.995
* Total Citation Counts Rankings
Ranking Based On Selection :7
Radiation Measurement and Applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
222
186
0.838
* Total Citation Counts Rankings
Ranking Based On Selection :8
Environmental-Geotechnics
Geoinformation and Engineering Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
213
200
0.939
* Total 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
185
140
0.757
* Total Citation Counts Rankings
Ranking Based On Selection :10
Process Analysis
Integration and Design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
165
77
0.467
* Total Citation Counts Rankings
Ranking Based On Selection :11
Corporate governance
Financial analysis and management
banking and finance
auditing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
156
114
0.731
* Total Citation Counts Rankings
Ranking Based On Selection :12
AI
Collaborative search
Question Answering
Information Retrieval
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
154
108
0.701
* Total Citation Counts Rankings
Ranking Based On Selection :13
Research in biofuels and bioenergy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
151
96
0.636
* Total Citation Counts Rankings
Ranking Based On Selection :14
environmental studies
adsorption studies
waste water treatment and phytochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
148
93
0.628
* Total Citation Counts Rankings
Ranking Based On Selection :15
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 :16
Sustainability
Green Building
Computer Simulation
Courtyard Microclimates
Thermal Performance.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136
93
0.684
* Total Citation Counts Rankings
Ranking Based On Selection :17
Agricultural Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
123
98
0.797
* Total Citation Counts Rankings
Ranking Based On Selection :18
Environmental Engineering
process Engineering
Bioprocess engineering
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
121
115
0.950
* Total Citation Counts Rankings
Ranking Based On Selection :19
Data Analytics
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
67
0.632
* Total Citation Counts Rankings
Ranking Based On Selection :20
PhD Environmental Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
102
0.990
* Total Citation Counts Rankings
Ranking Based On Selection :21
Electrical power system
Power electronic and Artificial intelligent.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
102
85
0.833
* Total Citation Counts Rankings
Ranking Based On Selection :22
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99
41
0.414
* Total Citation Counts Rankings
Ranking Based On Selection :23
Analytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
79
0.840
* Total 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
88
58
0.659
* Total Citation Counts Rankings
Ranking Based On Selection :25
Entrepreneurship
building and surveying
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78
73
0.936
Mohammed Aliyu
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,441
960
0.666
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
858
613
0.714
Lawal, Anako Opotu
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
840
539
0.642
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
446
260
0.583
machine learning
Data mining machine mission artificial intelligence and their application in solving real life problems
Chukwuma C. Nwuba
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
237
185
0.781
Housing affordability
urban housing markets
urban land markets
professional ethics in valuation practice.
Mahmoud Abdulrahman
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
222
221
0.995
Geology
Earth science
Geotechnics
Structural Geology
Geophysics and Petroleum geology
Muhammad Attahiru Abdullahi
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
222
186
0.838
Yamusa Bello Yamusa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
213
200
0.939
Environmental-Geotechnics
Geoinformation and Engineering Geology
Musa Lawal
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
185
140
0.757
Industrial Symbiosis
Sustainable Development
Sustainable Production
industrial ecology
circular economy
Hassan Funsho Akande
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
165
77
0.467
Aminu Bebeji
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
156
114
0.731
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
154
108
0.701
AI
Collaborative search
Question Answering
Information Retrieval
Haruna Ibrahim
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
151
96
0.636
Yagana Baba Abba
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
148
93
0.628
environmental studies
adsorption studies
waste water treatment and phytochemistry
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
Modi Sule Zango
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136
93
0.684
Sustainability
Green Building
Computer Simulation
Courtyard Microclimates
Thermal Performance.
Nuhu Garba
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
123
98
0.797
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
121
115
0.950
Environmental Engineering
process Engineering
Bioprocess engineering
Chemical Engineering
Nurudeen Aa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
67
0.632
Aliyu Hassan İbrahim
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
102
0.990
PhD Environmental Management
Suleiman Musa
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
102
85
0.833
Electrical power system
Power electronic and Artificial intelligent.
Abdulsalaam Ihima Alli
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99
41
0.414
James Yusuf
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
79
0.840
Engr. Haruna Abubakar
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88
58
0.659
Energy Efficiency & Conservation
Renewable Energy System
Modeling and simulation of thermodynamic
Ikupolati Alexander
Kaduna Polytechnic
Kaduna State, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78
73
0.936
Entrepreneurship
building and surveying