1. Environmental Research Laboratory
2. Department of Chemistry
3. Chandigarh University
4. Mohali
5. India
6. College of Science
7. King Saud University
8. Riyadh-11451
9. Kingdom of Saudi Arabia
10. Faculty of Science
11. King Khalid University
12. Abha
13. Science and Arts College
14. Rabigh Campus
15. King Abdulaziz University
16. Jeddah