Assoc. Prof. Dr. Norfdzlina,

Assoc Prof. Wan Mohd Amir

Dr. Arisman Adnan, Universitas Riau, Indonesia

Prof. Farikhin, Universitas Diponegoro, Indonesia

Prof. Winai Bodhisuwan, Kasetsart University, Thailand

Prof. Salhi, Essex University, UK

Dr. Chandra, Universiti Tun Hussein Onn Malaysia, Malaysia