#computer
Phaphon Plumwongrot; Piriya Pholphirul* Graduate School of Development Economics, National Institute of Development Administration (NIDA)
Parin Kittipongdaja; Thitirat Siriborvornratanakul* Graduate School of Applied Statistics, National Institute of Development Administration (NIDA)
Thitirat Siriborvornratanakul
Chutisant Kerdvibulvech,Pattaragun Wanishwattana