International Conference on Macromolecules in Poland - oct. 2021 (Second prize in short invited lecture)
Oral Presentation : Use of Novel Non-Toxic Bismuth Catalyst for the Preparation of Flexible Polyurethane Foam
1st Sustainable Energy Storage Days In Madrid (SESDIM) 8-11th October 2019
5th Edition of the International Conference on Materials & Environmental Science, ICMES-2022 ( Saadia- Morocco)
Oral Presentation : New Metallic Catalyst for the flexible Polyurethane foams