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

Trirat Kirdphoksap
Department of Industrial Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
Thailand

Parames Chutima
Department of Industrial Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand