Takhet, Nuttaporn, MA-EPD Program, Mae Fah Luang University, Chiang Rai, Thailand (Thailand)
Tangkitjaroenkun, Thanis, KMUTT (Thailand)
Thanarat, Preut, Mahasarakam University
Thongsoy, Kochamon (Thailand)
Tragoolsawang, Pitak, School of Liberal Arts, Mae Fah Luang University (Thailand)