Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
989,439
Country Rank
6,132
Institution Rank : 91
![](https://cdn.adscientificindex.com/logos/2095.png)
![South Africa](/flags/za.png)
![Celani Nyide](https://cdn.adscientificindex.com/pictures/e7/5832955.jpg)
Environmental Management Accounting
Business Administration
Financial Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 Index Rankings
World Rank
1,927,164
Country Rank
15,698
Institution Rank : 1,472
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Tobechukwu Justice Ehirim](https://cdn.adscientificindex.com/pictures/59/5837959.jpg)
Medical Procurement & Supply Chain Management
Executive Business Administration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
989,439
![South Africa](/flags/za.png)
6,132
![](https://cdn.adscientificindex.com/logos/2095.png)
91
Celani Nyide
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
![](https://cdn.adscientificindex.com/logos/2095.png)
Environmental Management Accounting
Business Administration
Financial Management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,927,164
![South Africa](/flags/za.png)
15,698
![](https://cdn.adscientificindex.com/logos/11498.jpg)
1,472
Tobechukwu Justice Ehirim
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Medical Procurement & Supply Chain Management
Executive Business Administration