The Journal of King Mongkut's University of Technology North Bangkok
วารสารวิชาการพระจอมเกล้าพระนครเหนือ

Thammasak Kuaites
Department of Service Industry, Faculty of Business Administration, Ramkhumhaeng University, Bangkok
Thailand

Theeraphon Thueanphae
Department of Service Industry, Faculty of Business Administration, Ramkhumhaeng University, Bangkok
Thailand

Nisachol Chanthranapasawat
Department of Service Industry, Faculty of Business Administration, Ramkhumhaeng University, Bangkok
Thailand