1. Sudan University of Scienceand Technology      Sudan

2. Al Zaiem Al Zzhari University      Sudan

3. Kenyatta University      Kenya

4. Ministry of Petroleum      Sudan

5. Dr. John Garang Memorial University of Science and Technology      South Sudan

6. University of Juba      South Sudan

7. Rumbek University of Science and Technology      South Sudan

8. University of Bahar El Ghazal      South Sudan

9. Upper Nile University      South Sudan

10. Federal University of Petroleum Resources .effurun Nigeria      Nigeria

11. Cape Coast Technical University(GHANA)      Africa

12. Kocaeli university      Africa

13. Bahr el Ghazal      South Sudan

14. Eduardo mondlane university      Mozambique

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