On AD Scientific Index, you can explore the individual achievements of scientists in detail and evaluate their academic productivity based on total and recent H-index, i10 index, and citation counts. With Premium Membership, gain access to extended analyses and detailed data to assess and enhance your academic performance more effectively.
* Total H Index Rankings
Ranking Based
On Selection: 1
![Jayantha Lal Ratnasekera](https://cdn.adscientificindex.com/pictures/aa/4751309.jpg)
Renewable energy sources
physical chemistry
science education
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total H Index Rankings
Ranking Based
On Selection: 2
![Asoka De Silva](https://cdn.adscientificindex.com/pictures/5c/4664641.jpg)
science education
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total H Index Rankings
Ranking Based
On Selection: 3
![Subhashinie Wijesundera|S D K Wijesundera, S. Wijesundera, Wijesundera S D K](https://cdn.adscientificindex.com/pictures/04/4747017.jpg)
Meta-cognition
Self regulated learning
Mathematics Education
Higher Education
Children's Well
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total H Index Rankings
Ranking Based
On Selection: 4
![Ug Chandrajith](/user/assets/images/profile/no-profile-photo.png)
Science Education
STEM education
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total H Index Rankings
Ranking Based
On Selection: 5
![Pushpa Vitharana](https://cdn.adscientificindex.com/pictures/40/4745850.jpg)
Science Education
Teacher Education
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total H Index Rankings
Ranking Based
On Selection: 6
![Gaya Nayomi Jayakody](https://cdn.adscientificindex.com/pictures/5d/5732297.jpg)
Mathematics Education
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total H Index Rankings
Ranking Based
On Selection: 7
![Chanakya Wijeratne](/user/assets/images/profile/no-profile-photo.png)
mathematics
mathematics education
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total H Index Rankings
Ranking Based
On Selection: 8
![Bhagya Manjaree](https://cdn.adscientificindex.com/pictures/04/5057730.jpg)
STEM/STEAM education
Science education
Authentic education
Design Technology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Jayantha Lal Ratnasekera
Uva Wellassa University
Badulla, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Renewable energy sources
physical chemistry
science education
Asoka De Silva
National Institute of Education Sri Lanka
Maharagama, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Subhashinie Wijesundera|S D K Wijesundera, S. Wijesundera, Wijesundera S D K
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Meta-cognition
Self regulated learning
Mathematics Education
Higher Education
Children's Well
Ug Chandrajith
University of Colombo
Colombo, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Science Education
STEM education
Pushpa Vitharana
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Science Education
Teacher Education
Gaya Nayomi Jayakody
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Chanakya Wijeratne
University of Colombo
Colombo, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
mathematics
mathematics education
Bhagya Manjaree
University of Colombo
Colombo, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
STEM/STEAM education
Science education
Authentic education
Design Technology