Dolrit Somupahard
Department of Industrial Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok
Thailand

Pongphet Sangkhamanee
Department of Industrial Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok
Thailand

Vanchai Laemlaksakul
Department of Industrial Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok

Sirichai Yodwangjai
Department of Industrial Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok