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

Autthapol Sapew
Department of Industrial Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen
Thailand

Panitarn Peerapattana
Department of Industrial Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen
Thailand