Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
1,641,965
Country Rank
1,708
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Abdalla Shaame](/pictures/ba/4488145.jpg)
ICT in Education
Open Source Software
Library automation and Digitization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
27
0.563
* Total Citation Counts Rankings
World Rank
1,646,188
Country Rank
1,719
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/12572.png)
![Tanzania](/flags/tz.png)
![Issa Hemed](/pictures/3e/4314539.jpg)
Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
44
0.936
* Total Citation Counts Rankings
World Rank
1,682,431
Country Rank
1,804
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Awwaab Muhammad](/user/assets/images/profile/no-profile-photo.png)
Environmental Toxicology
Analytical and Environmental Chemistry
Aquatic ecology and water quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42
20
0.476
* Total Citation Counts Rankings
World Rank
1,696,576
Country Rank
1,834
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Hussein Shaaban](/pictures/6a/4316954.jpg)
Information Security
eCulture
Virtual Learning
Artificial Intelligence
Big Data
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
22
0.550
* Total Citation Counts Rankings
World Rank
1,710,796
Country Rank
1,862
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/12572.png)
![Tanzania](/flags/tz.png)
![Abbas Mohamed Omar](/pictures/3a/4314537.jpg)
Information science
Information literacy
Lifelong learning
Scientific writing and publishing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
26
0.684
* Total Citation Counts Rankings
World Rank
1,755,293
Country Rank
1,955
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Said Yunus](/pictures/ac/4488408.jpg)
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
World Rank
1,761,785
Country Rank
1,969
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/12572.png)
![Tanzania](/flags/tz.png)
![Hafidh Ali Hafidh](https://cdn.adscientificindex.com/pictures/2d/5736532.jpg)
Business and economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
* Total Citation Counts Rankings
World Rank
1,773,992
Country Rank
2,002
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Umayra El-Nabahany](/pictures/0c/4488447.jpg)
education
technology
MOOCs
Mobile Learning
AI in education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
29
0.967
* Total Citation Counts Rankings
World Rank
1,784,324
Country Rank
2,022
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/12572.png)
![Tanzania](/flags/tz.png)
![Abdalla Ussi Hamad](/user/assets/images/profile/no-profile-photo.png)
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
World Rank
1,799,461
Country Rank
2,053
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Hassan Mohammed Omar](/pictures/49/4810994.jpg)
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
World Rank
1,802,367
Country Rank
2,057
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/12572.png)
![Tanzania](/flags/tz.png)
![Adilu Mussa Salim](https://cdn.adscientificindex.com/pictures/ae/5736935.jpg)
Business Management
Human Resource Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
24
0.889
* Total Citation Counts Rankings
World Rank
1,803,570
Country Rank
2,061
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/12572.png)
![Tanzania](/flags/tz.png)
![Haji Ali Haji](/pictures/31/4314538.jpg)
Records and Archives Management
Information Manage
Cultural Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
20
0.741
* Total Citation Counts Rankings
World Rank
1,830,556
Country Rank
2,125
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Idrissa Hamad](https://cdn.adscientificindex.com/pictures/48/5736481.jpg)
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
World Rank
1,868,083
Country Rank
2,220
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Said Mohamed Khamis](/pictures/9b/4810997.jpg)
Entrepreneurship
Strategy
Development
Small Business
Innovation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
* Total Citation Counts Rankings
World Rank
1,890,847
Country Rank
2,292
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Ali Hamad Ali](/pictures/42/4488159.jpg)
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
World Rank
1,898,563
Country Rank
2,312
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Ali A Abdulla|Abdulla, Ali Abdulla](https://cdn.adscientificindex.com/pictures/89/5736919.jpg)
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
World Rank
1,905,097
Country Rank
2,330
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Abdallah Ally Sendaro](/user/assets/images/profile/no-profile-photo.png)
management
Marketing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total Citation Counts Rankings
World Rank
1,906,284
Country Rank
2,335
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Mustapha Masud](/pictures/d2/4810999.jpg)
Gross Anatomy
Embryology and Histology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total Citation Counts Rankings
World Rank
1,906,284
Country Rank
2,335
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Waheed Muhammad İbrahim Sanya](/user/assets/images/profile/no-profile-photo.png)
Sensing Technologies and the Internet of Things (IoT). Embedded computing system. Big Data and data analytics. Wireless and mobile computing and networking. Machine Learning and Artificial intelligence. Cloud infrastructure and application
Graph data mining. Image Processing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total Citation Counts Rankings
World Rank
1,906,284
Country Rank
2,335
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Waheed Sanya](/user/assets/images/profile/no-profile-photo.png)
computer science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total Citation Counts Rankings
World Rank
1,910,869
Country Rank
2,351
Institution Rank : 35
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Abdulla, Ali Abdulla|Ali A Abdulla, Ali Abdulla Abdulla](/pictures/bc/4488147.jpg)
Computer Science
Graphics and Multimedia
E-learning
Educational Technology
M-learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Total Citation Counts Rankings
World Rank
1,929,425
Country Rank
2,413
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Kassim Salum](/user/assets/images/profile/no-profile-photo.png)
Chemical instrumentation
organic synthesis
drug design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total Citation Counts Rankings
World Rank
1,936,482
Country Rank
2,433
Institution Rank : 37
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Raya Ahmada](/pictures/e4/4488389.jpg)
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
World Rank
1,958,181
Country Rank
2,489
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Haji Haji](https://cdn.adscientificindex.com/pictures/a5/5736528.jpg)
Materials for solar energy applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
World Rank
1,986,527
Country Rank
2,559
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Khadija Ramadhan Makame](https://cdn.adscientificindex.com/pictures/cb/5736339.jpg)
Public health
Toxicoloy and Occupational health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,641,965
![Tanzania](/flags/tz.png)
1,708
![](https://cdn.adscientificindex.com/logos/8524.png)
21
Abdalla Shaame
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
27
0.563
![](https://cdn.adscientificindex.com/logos/8524.png)
ICT in Education
Open Source Software
Library automation and Digitization
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,646,188
![Tanzania](/flags/tz.png)
1,719
![](https://cdn.adscientificindex.com/logos/12572.png)
4
Issa Hemed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
44
0.936
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,682,431
![Tanzania](/flags/tz.png)
1,804
![](https://cdn.adscientificindex.com/logos/8524.png)
22
Awwaab Muhammad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42
20
0.476
![](https://cdn.adscientificindex.com/logos/8524.png)
Environmental Toxicology
Analytical and Environmental Chemistry
Aquatic ecology and water quality
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,696,576
![Tanzania](/flags/tz.png)
1,834
![](https://cdn.adscientificindex.com/logos/8524.png)
23
Hussein Shaaban
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
22
0.550
![](https://cdn.adscientificindex.com/logos/8524.png)
Information Security
eCulture
Virtual Learning
Artificial Intelligence
Big Data
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,710,796
![Tanzania](/flags/tz.png)
1,862
![](https://cdn.adscientificindex.com/logos/12572.png)
5
Abbas Mohamed Omar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
26
0.684
![](https://cdn.adscientificindex.com/logos/12572.png)
Information science
Information literacy
Lifelong learning
Scientific writing and publishing
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,755,293
![Tanzania](/flags/tz.png)
1,955
![](https://cdn.adscientificindex.com/logos/8524.png)
24
Said Yunus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32
32
1.000
![](https://cdn.adscientificindex.com/logos/8524.png)
technology integration in teaching and learning in higher learning
use of technology in teaching and learning
technology use i
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,761,785
![Tanzania](/flags/tz.png)
1,969
![](https://cdn.adscientificindex.com/logos/12572.png)
6
Hafidh Ali Hafidh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,773,992
![Tanzania](/flags/tz.png)
2,002
![](https://cdn.adscientificindex.com/logos/8524.png)
25
Umayra El-Nabahany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
29
0.967
![](https://cdn.adscientificindex.com/logos/8524.png)
education
technology
MOOCs
Mobile Learning
AI in education
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,784,324
![Tanzania](/flags/tz.png)
2,022
![](https://cdn.adscientificindex.com/logos/12572.png)
7
Abdalla Ussi Hamad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
25
0.862
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,799,461
![Tanzania](/flags/tz.png)
2,053
![](https://cdn.adscientificindex.com/logos/8524.png)
26
Hassan Mohammed Omar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
![](https://cdn.adscientificindex.com/logos/8524.png)
GIS
Ecosystem services
Land cover change
Remote Sensing
Spatial modeling
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* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,802,367
![Tanzania](/flags/tz.png)
2,057
![](https://cdn.adscientificindex.com/logos/12572.png)
8
Adilu Mussa Salim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
24
0.889
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,803,570
![Tanzania](/flags/tz.png)
2,061
![](https://cdn.adscientificindex.com/logos/12572.png)
9
Haji Ali Haji
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
20
0.741
![](https://cdn.adscientificindex.com/logos/12572.png)
Records and Archives Management
Information Manage
Cultural Studies
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,830,556
![Tanzania](/flags/tz.png)
2,125
![](https://cdn.adscientificindex.com/logos/8524.png)
27
Idrissa Hamad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
![](https://cdn.adscientificindex.com/logos/8524.png)
Application of remote sensing in coastal and marine ecosystems monitoring
Environmental Policy Analysis
Community Natural Reso
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,868,083
![Tanzania](/flags/tz.png)
2,220
![](https://cdn.adscientificindex.com/logos/8524.png)
28
Said Mohamed Khamis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
![](https://cdn.adscientificindex.com/logos/8524.png)
Entrepreneurship
Strategy
Development
Small Business
Innovation
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,890,847
![Tanzania](/flags/tz.png)
2,292
![](https://cdn.adscientificindex.com/logos/8524.png)
29
Ali Hamad Ali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
2
0.105
![](https://cdn.adscientificindex.com/logos/8524.png)
RF&Microwave Communication Microwave Sensors Microwave Instrumentation Electromagnetic Waves Propagation Theory
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,898,563
![Tanzania](/flags/tz.png)
2,312
![](https://cdn.adscientificindex.com/logos/8524.png)
30
Ali A Abdulla|Abdulla, Ali Abdulla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
![](https://cdn.adscientificindex.com/logos/8524.png)
Educational Technology
ICT
M-Learning
E-Learning
Theories of Learning
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,905,097
![Tanzania](/flags/tz.png)
2,330
![](https://cdn.adscientificindex.com/logos/8524.png)
31
Abdallah Ally Sendaro
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,906,284
![Tanzania](/flags/tz.png)
2,335
![](https://cdn.adscientificindex.com/logos/8524.png)
32
Mustapha Masud
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
![](https://cdn.adscientificindex.com/logos/8524.png)
Gross Anatomy
Embryology and Histology
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,906,284
![Tanzania](/flags/tz.png)
2,335
![](https://cdn.adscientificindex.com/logos/8524.png)
32
Waheed Muhammad İbrahim Sanya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
![](https://cdn.adscientificindex.com/logos/8524.png)
Sensing Technologies and the Internet of Things (IoT). Embedded computing system. Big Data and data analytics. Wireless and mobile computing and networking. Machine Learning and Artificial intelligence. Cloud infrastructure and application
Graph data mining. Image Processing
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,906,284
![Tanzania](/flags/tz.png)
2,335
![](https://cdn.adscientificindex.com/logos/8524.png)
32
Waheed Sanya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,910,869
![Tanzania](/flags/tz.png)
2,351
![](https://cdn.adscientificindex.com/logos/8524.png)
35
Abdulla, Ali Abdulla|Ali A Abdulla, Ali Abdulla Abdulla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
![](https://cdn.adscientificindex.com/logos/8524.png)
Computer Science
Graphics and Multimedia
E-learning
Educational Technology
M-learning
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,929,425
![Tanzania](/flags/tz.png)
2,413
![](https://cdn.adscientificindex.com/logos/8524.png)
36
Kassim Salum
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
![](https://cdn.adscientificindex.com/logos/8524.png)
Chemical instrumentation
organic synthesis
drug design
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,936,482
![Tanzania](/flags/tz.png)
2,433
![](https://cdn.adscientificindex.com/logos/8524.png)
37
Raya Ahmada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,958,181
![Tanzania](/flags/tz.png)
2,489
![](https://cdn.adscientificindex.com/logos/8524.png)
38
Haji Haji
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,986,527
![Tanzania](/flags/tz.png)
2,559
![](https://cdn.adscientificindex.com/logos/8524.png)
39
Khadija Ramadhan Makame
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000