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
855,976
Country Rank
392
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/8524.png)
![Tanzania](/flags/tz.png)
![Mohammed Sheikh](/user/assets/images/profile/no-profile-photo.png)
Environmental Analytical Chemistry
Marine Science
public health
Marine pollution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
584
356
0.610
* 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
Rankings
![](/assets/images/world-icon.png)
855,976
![Tanzania](/flags/tz.png)
392
![](https://cdn.adscientificindex.com/logos/8524.png)
3
Mohammed Sheikh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
584
356
0.610
![](https://cdn.adscientificindex.com/logos/8524.png)
Environmental Analytical Chemistry
Marine Science
public health
Marine pollution
* 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