1. Department of Chemistry
2. University of Calcutta
3. Kolkata – 700009
4. India
5. Department of Physics
6. Faculty of Science and Art
7. Balikesir University
8. 10145 Balikesir
9. Turkey
10. IIEST Shibpur
11. Howrah
12. Department of Chemical and Pharmaceutical Sciences
13. University of Trieste
14. 34127 Trieste
15. Italy