Prof. Roman Alvarez, National Autonomous University of Mexico, Mexico

Prof. Ferid Dhahri, Faculty of Science of Gafsa, Tunisia

Prof. Vetrimurugan Elumalai, University of Zululand, South Africa 

Prof. Vijayakumar Varadarajan, The University of New South Wales, Australia

Assoc. Prof. Naser Ebadati, Islamic Azad University, Iran

Assoc. Prof. Azad Rasul, Soran University, Iraq 

Prof. Youcef Smara, Houari Boumediene University of Sciences and Technology, Algeria