1. Department of Chemistry
2. Faculty of Science
3. King Khalid University
4. Abha 61413
5. Saudi Arabia
6. School of Basic and Applied Sciences
7. RIMT University
8. Mandi Gobindgarh
9. India
10. School of Chemical Sciences
11. Universiti Sains Malaysia
12. 11800 Penang
13. Malaysia
14. Indian Institute of Technology Hyderabad
15. Sangareddy
16. Department of Polymer Science and Engineering
17. Pusan National University
18. Busan 609-735
19. Republic of Korea