Phimsawat, On-Usa, Department of Western Languages, Humanities and Social Science Faculty, Burapha University (Thailand)
Phinthip, Thitimaporn, School of Liberal Arts, Mae Fah Luang University
Piriyapithakporn, Pakaporn
Pletikosa, Jiraporn
Poonsup, Ubolrat
Pul-A-Nan, Juthamard