Kanokporn Vibulpatanavong, Ph. D. (Srinakharinwirot University, Thailand)
(Assoc) Prof. David Evans (The University of Sydney)
Prof. Dr. Mega Iswari, M.Pd. (Universitas Negeri Padang)
(Assoc) Prof. Mohd Hanafi Mohd Yasin, Ph.D (University Kebangsaan Malaysia)
