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
environment
climate change
livelihood
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
114
0.722
* Total Citation Counts Rankings
Ranking Based On Selection :2
medical science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135
111
0.822
* Total Citation Counts Rankings
Ranking Based On Selection :3
ELT-TESOL-Second Language Teacher Education
Teacher Education
Technology in Language Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
104
64
0.615
* Total Citation Counts Rankings
Ranking Based On Selection :4
Personal finance
Islamic banking and finance
financial reporting
financial performance analyisis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
93
0.989
* Total Citation Counts Rankings
Ranking Based On Selection :5
Mobile Computing
Artificial Intelligence
GIS
HCI
ICT4D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
37
0.578
* Total Citation Counts Rankings
Ranking Based On Selection :6
Systems Engineering
Data science
Machine learning
Statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
46
0.793
* Total Citation Counts Rankings
Ranking Based On Selection :7
technology integration in teaching and learning in higher learning
use of technology in teaching and learning
technology use i
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32
32
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :8
Business and economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :9
Islamic Finance
Islamic Economic
Accounting and Finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
25
0.862
* Total Citation Counts Rankings
Ranking Based On Selection :10
GIS
Ecosystem services
Land cover change
Remote Sensing
Spatial modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :11
Business Management
Human Resource Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
24
0.889
* Total Citation Counts Rankings
Ranking Based On Selection :12
Application of remote sensing in coastal and marine ecosystems monitoring
Environmental Policy Analysis
Community Natural Reso
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
* Total Citation Counts Rankings
Ranking Based On Selection :13
RF&Microwave Communication Microwave Sensors Microwave Instrumentation Electromagnetic Waves Propagation Theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
2
0.105
* Total Citation Counts Rankings
Ranking Based On Selection :14
Educational Technology
ICT
M-Learning
E-Learning
Theories of Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
* Total Citation Counts Rankings
Ranking Based On Selection :15
computer science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :16
IoT
Mobile Communication
GIS and Remote sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
* Total Citation Counts Rankings
Ranking Based On Selection :17
Materials for solar energy applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :18
Public health
Toxicoloy and Occupational health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :19
Multi-Agent System and Distributed System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection :20
economics
accounting
finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
* Total Citation Counts Rankings
Ranking Based On Selection :21
Sustainable Livelihood
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :22
Cyber Security
ICT
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
* Total Citation Counts Rankings
Ranking Based On Selection :23
Nutrition and Food Hygiene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :24
Mathematical Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :25
Development Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Makame O. Makame
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
114
0.722
Salma Abdi Mahmoud
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135
111
0.822
Maryam Jaffar Ismail
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
104
64
0.615
ELT-TESOL-Second Language Teacher Education
Teacher Education
Technology in Language Education
Fauz Moh'D Khamis
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
93
0.989
Personal finance
Islamic banking and finance
financial reporting
financial performance analyisis
Haji A Haji
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
37
0.578
Abdulrahim Ali
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
46
0.793
Said Yunus
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32
32
1.000
technology integration in teaching and learning in higher learning
use of technology in teaching and learning
technology use i
Hafidh Ali Hafidh
Zanzibar University
Zurich, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
Abdalla Ussi Hamad
Zanzibar University
Zurich, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
25
0.862
Hassan Mohammed Omar
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
GIS
Ecosystem services
Land cover change
Remote Sensing
Spatial modeling
Adilu Mussa Salim
Zanzibar University
Zurich, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
24
0.889
Idrissa Hamad
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
Application of remote sensing in coastal and marine ecosystems monitoring
Environmental Policy Analysis
Community Natural Reso
Ali Hamad Ali
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
2
0.105
RF&Microwave Communication Microwave Sensors Microwave Instrumentation Electromagnetic Waves Propagation Theory
Ali A Abdulla|Abdulla, Ali Abdulla
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
Educational Technology
ICT
M-Learning
E-Learning
Theories of Learning
Waheed Sanya
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Raya Ahmada
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
Haji Haji
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Khadija Ramadhan Makame
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
Amir K. Mwinyi
Zanzibar University
Zurich, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
0
0.000
Haji Iddi
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Waziri Ali Hamad
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Intisaar Omar Said
Zanzibar University
Zurich, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
Seif Said Khalfan
Zanzibar University
Zurich, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Najat Zahor Said
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Masoud Saleh Issa
State University of Zanzibar
Zanzibar City, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000