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
Kamel Mahfoudhi, University of Sousse, Tunisia
Mohamed Ali Jendoubi, Université de Carthage, Tunisia
Kais Ammari, University of Monastir, Tunisia