Sami Baraket, Imam University, Saudi Arabia
Mouez Dimassi, University of Bordeaux, France
Aref Jeribi, University of Sfax, Tunisia
Nedra Moalla, University of Sfax, Tunisia
Maher Mnif, University of Sfax, Tunisia
Vladimir Muller, Silesian University in Opava, Czech Republic
El Hassan Zerouali, University of Rabat, Morocco