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
667,374
Country Rank
438
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/11325.jpg)
![Sri Lanka](/flags/lk.png)
![Kamani Jayatilaka](/user/assets/images/profile/no-profile-photo.png)
Biochemistry
Pharmacognosy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,002
608
0.607
* Total Citation Counts Rankings
World Rank
837,305
Country Rank
698
Institution Rank : 34
![](https://cdn.adscientificindex.com/logos/11325.jpg)
![Sri Lanka](/flags/lk.png)
![RP Hewawasam](https://cdn.adscientificindex.com/pictures/27/408701.jpg)
Biological and pharmacological properties of medicinal plants
Calcium signaling in cardiac muscle
Childhood obesity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
619
336
0.543
* Total Citation Counts Rankings
World Rank
1,255,034
Country Rank
1,780
Institution Rank : 108
![](https://cdn.adscientificindex.com/logos/11325.jpg)
![Sri Lanka](/flags/lk.png)
![Sameera Gunasekara](https://cdn.adscientificindex.com/pictures/ed/4937589.jpg)
Biomarkers
Kidney Diseases
Environmental Health
Immunology
Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
155
150
0.968
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
667,374
![Sri Lanka](/flags/lk.png)
438
![](https://cdn.adscientificindex.com/logos/11325.jpg)
16
Kamani Jayatilaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,002
608
0.607
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
837,305
![Sri Lanka](/flags/lk.png)
698
![](https://cdn.adscientificindex.com/logos/11325.jpg)
34
RP Hewawasam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
619
336
0.543
![](https://cdn.adscientificindex.com/logos/11325.jpg)
Biological and pharmacological properties of medicinal plants
Calcium signaling in cardiac muscle
Childhood obesity
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,255,034
![Sri Lanka](/flags/lk.png)
1,780
![](https://cdn.adscientificindex.com/logos/11325.jpg)
108
Sameera Gunasekara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
155
150
0.968
![](https://cdn.adscientificindex.com/logos/11325.jpg)
Biomarkers
Kidney Diseases
Environmental Health
Immunology
Biochemistry