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.
* Total Citation Counts Rankings
Ranking Based On Selection :1
adsorption
water purification
catalysis
electrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,497
3,815
0.509
* Total Citation Counts Rankings
Ranking Based On Selection :2
Tourism
Climate Change
Sustainable Development
tourism aviation
COVID-19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,308
3,264
0.987
* Total Citation Counts Rankings
Ranking Based On Selection :3
Marketing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,600
1,705
0.656
* Total Citation Counts Rankings
Ranking Based On Selection :4
Molecularly imprinted polymers
surface modification
biowaste
biochar
soil amelioration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,437
2,067
0.848
* Total Citation Counts Rankings
Ranking Based On Selection :5
Nanotechnology
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,216
1,437
0.648
* Total Citation Counts Rankings
Ranking Based On Selection :6
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,148
1,696
0.790
* Total Citation Counts Rankings
Ranking Based On Selection :7
organic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,143
1,954
0.912
* Total Citation Counts Rankings
Ranking Based On Selection :8
Recommender Systems
Image Processing
Data Mining
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,708
1,356
0.794
* Total Citation Counts Rankings
Ranking Based On Selection :9
Applied sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,507
1,030
0.683
* Total Citation Counts Rankings
Ranking Based On Selection :10
Adsorption
nanofibers
Nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,211
1,066
0.880
* Total Citation Counts Rankings
Ranking Based On Selection :11
Water Treatment
Phytochemistry
Membrane Technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,149
628
0.547
* Total Citation Counts Rankings
Ranking Based On Selection :12
Supply Chain Management
Logistics
Human Resources Management
Operations Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,015
811
0.799
* Total Citation Counts Rankings
Ranking Based On Selection :13
Chemistry
Analytical chemistry
material chemistry
environmental chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
992
930
0.938
* Total Citation Counts Rankings
Ranking Based On Selection :14
Material science
adsorption
biomaterials
nanomaterials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
809
719
0.889
* Total Citation Counts Rankings
Ranking Based On Selection :15
Adsorption
wastewater treatment
pyrolysis
environmental remediation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
806
593
0.736
* Total Citation Counts Rankings
Ranking Based On Selection :16
Metallurgical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
785
580
0.739
* Total Citation Counts Rankings
Ranking Based On Selection :17
Organic Chemistry
Natural Product
Nanoscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
744
723
0.972
* Total Citation Counts Rankings
Ranking Based On Selection :18
Fashion retailing
Online Consumer behaviour
Business Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
731
467
0.639
* Total Citation Counts Rankings
Ranking Based On Selection :19
Education
Quality Assurance
Self-evaluation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
642
429
0.668
* Total Citation Counts Rankings
Ranking Based On Selection :20
Computational Fluid Dynamics
Heat and Mass Transfer
Mathematical Biology
Mathematics Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
586
488
0.833
* Total Citation Counts Rankings
Ranking Based On Selection :21
Wastewater treatment and Neural Network
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
575
435
0.757
* Total Citation Counts Rankings
Ranking Based On Selection :22
Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
528
358
0.678
* Total Citation Counts Rankings
Ranking Based On Selection :23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
504
407
0.808
* Total Citation Counts Rankings
Ranking Based On Selection :24
Adsorption of metals and pharmaceutical pollutants
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
497
493
0.992
* Total Citation Counts Rankings
Ranking Based On Selection :25
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
400
368
0.920
Augustine Ofomaja
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,497
3,815
0.509
adsorption
water purification
catalysis
electrochemistry
Kaitano Dube
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,308
3,264
0.987
Tourism
Climate Change
Sustainable Development
tourism aviation
COVID-19
Manilall Dhurup
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,600
1,705
0.656
Vusumzi Pakade
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,437
2,067
0.848
Molecularly imprinted polymers
surface modification
biowaste
biochar
soil amelioration
Makwena Justice Moloto
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,216
1,437
0.648
Chengedzai Mafini
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,148
1,696
0.790
Fanyana Mtunzi
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,143
1,954
0.912
Tranos Zuva
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,708
1,356
0.794
Recommender Systems
Image Processing
Data Mining
Peter Osifo
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,507
1,030
0.683
Ntaote David Shooto
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,211
1,066
0.880
Adsorption
nanofibers
Nanotechnology
Sj Modise
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,149
628
0.547
Water Treatment
Phytochemistry
Membrane Technology
Elizabeth Chinomona
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,015
811
0.799
Supply Chain Management
Logistics
Human Resources Management
Operations Management
Isiaka A Lawal
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
992
930
0.938
Chemistry
Analytical chemistry
material chemistry
environmental chemistry
Agnes Pholosi
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
809
719
0.889
Material science
adsorption
biomaterials
nanomaterials
Ephraim Igberase
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
806
593
0.736
Adsorption
wastewater treatment
pyrolysis
environmental remediation
Otunniyi, Iyiola Olatunji
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
785
580
0.739
Metallurgical Engineering
Oluwole Samuel Aremu
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
744
723
0.972
Organic Chemistry
Natural Product
Nanoscience
Nobukhosi Dlodlo
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
731
467
0.639
Fashion retailing
Online Consumer behaviour
Business Management
Jacob Selesho
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
642
429
0.668
Education
Quality Assurance
Self-evaluation
Ramoshweu S Lebelo
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
586
488
0.833
Computational Fluid Dynamics
Heat and Mass Transfer
Mathematical Biology
Mathematics Education
John Kabuba
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
575
435
0.757
Wastewater treatment and Neural Network
Naser Aliye Feto
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
528
358
0.678
Tumisang Seodigeng
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
504
407
0.808
Patience Mapule Thabede
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
497
493
0.992
Adsorption of metals and pharmaceutical pollutants
Thokozani Xaba
Vaal University of Technology
Vanderbijlpark, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
400
368
0.920