1. Centre of Excellence in Environmental Studies (CEES)
2. King Abdulaziz University
3. Jeddah 21589
4. Kingdom of Saudi Arabia
5. Chemistry Department
6. Department of Biological Sciences
7. Faculty of Science
8. Saudi Arabia
9. Department of Physics
10. King Fahd University of Petroleum and Minerals
11. Dhahran 31261
12. National Centre for Physics