1. Department of Chemical Engineering
2. Raja Bazar Science College
3. University of Calcutta
4. Kolkata 700009
5. India
6. King Saud University
7. Riyadh 11421
8. Saudi Arabia
9. Department for Management of Science and Technology Development
10. Ton Duc Thang University
11. Ho Chi Minh City
12. Vietnam
13. Faculty of Applied Sciences