1. Nanoqam
2. Department of Chemistry
3. University of Quebec at Montreal
4. Canada
5. Laboratoire des Sciences
6. Catalysis and Microporous Materials Laboratory
7. Vasile-Alecsandri University of Bacau
8. Romania
9. Technologie et Génie des Procédés (LSTGP), USTO-Mohamed Boudiaf
10. El M’naouer
11. Algeria
12. ENIG
13. University of Gabes
14. Sidi Bouzid occidentale
15. Tunisia