Mohammed Farouk Nakmouche, Diaa E.Fawzy, Izmir University of Economics, Turkey; Mohammed Cherif Derbal, Mourad Nedil, Université du Québec en Abitibi-Témiscamingue, Canada; A.M.M.A Allam, German University in Cairo, Egypt; Shoukry I Shams, Concordia University, Canada; Mahmoud Elsaadany, Ghyslain Gagnon, Ecole de Technologie Supérieur, Canada