IRWANSYAH, Universitas Hasanuddin, Indonesia
KUKUH TEJOMURTI, Universitas Sebelas Maret, Indonesia
DEWA GEDE SUDIKA MANGKU, Universitas Pendidikan Ganesha, Indonesia
SARU ARIFIN, University of Pecs, Hungary
ROBERT BRIAN SMITH, The University of New England, Australia
SITI HAFSYAH IDRIS, Universiti Teknologi MARA, Malaysia
ASMARANI RAMLI, Universitas Negeri Semarang, Indonesia
MUHAMMAD RAMADHAN, Universitas Janabadra, Indonesia
ERICK ALAN JONES, Northern Illinois University, United States