Prof. Fuad Abdul Hamied, M.A, Ph.D. (Universitas Pendidikan Indonesia, Indonesia)

Prof. Dr. Tri Indri Hardini, M.Pd. (Universitas Pendidikan Indonesia, Indonesia)

Prof. Dr. Yulianeta, M.Pd. (Universitas Pendidikan Indonesia, Indonesia)

M. Sidury Christiansen, Ph.D. (University of Texas at San Antonio, USA)

Azhar Ibrahim, Ph.D. (National University of Singapore, Singapore)