1. Department of Chemistry
2. Woldia University
3. Woldia
4. Ethiopia
5. Department of Applied Chemistry
6. Adama Science and Technology University
7. Adama
8. AU College of Pharmaceutical Sciences
9. Andhra University
10. Visakhapatnam
11. India
12. Debre Berhan University
13. Debre Berhan
14. Department of Inorganic & Analytical Chemistry