Prof. Adriano Péres, Universidade Federal de Santa Catarina, Brazil

Prof. Bachir Achour, University of Biskra, Angela

Prof. Vladimir Simón Montoya Torres, National University of Central Peru, Peru

Muhyiddine Jradi, University of Southern, Denmark

Assoc. Prof. Ziyad Abunada, Central Queensland University, Australia

Assoc. Prof. Atallah Ouai, Laghouat University, Algeria

Dr. Onn Chiu Chuen, Universiti Malaya, Malaysia

Nur Islami, Universitas Riau, Indonesia