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
737,250
Country Rank
16
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/16744.png)
![Sierra Leone](/flags/sl.png)
![Adam S Kanu](https://cdn.adscientificindex.com/pictures/30/5011088.jpg)
Cereal Crops Research. plant stress
soil remediation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
827
751
0.908
* Total Citation Counts Rankings
World Rank
1,147,455
Country Rank
39
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/16744.png)
![Sierra Leone](/flags/sl.png)
![Osman Nabay](https://cdn.adscientificindex.com/pictures/8f/4480933.jpg)
Agricultural Development and Policy
Applied Economic Research
Project Management and Program
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
216
157
0.727
* Total Citation Counts Rankings
World Rank
1,380,489
Country Rank
56
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/16744.png)
![Sierra Leone](/flags/sl.png)
![Gibrilla Dumbuya](https://cdn.adscientificindex.com/pictures/68/4480518.jpg)
Climate change
Agronomy
Crop physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
107
92
0.860
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
737,250
![Sierra Leone](/flags/sl.png)
16
![](https://cdn.adscientificindex.com/logos/16744.png)
1
Adam S Kanu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
827
751
0.908
![](https://cdn.adscientificindex.com/logos/16744.png)
Cereal Crops Research. plant stress
soil remediation
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,147,455
![Sierra Leone](/flags/sl.png)
39
![](https://cdn.adscientificindex.com/logos/16744.png)
5
Osman Nabay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
216
157
0.727
![](https://cdn.adscientificindex.com/logos/16744.png)
Agricultural Development and Policy
Applied Economic Research
Project Management and Program
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,380,489
![Sierra Leone](/flags/sl.png)
56
![](https://cdn.adscientificindex.com/logos/16744.png)
6
Gibrilla Dumbuya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
107
92
0.860
![](https://cdn.adscientificindex.com/logos/16744.png)
Climate change
Agronomy
Crop physiology