Natt Siriwattananon Rajamangala University of Technology Suvarnabhumi Thailand
Lecturer, Department of Mechanical Engineering, Faculty of Industrial Education
Nuchchada Kohpeisansukwattana King Mongkut’s University of Technology North Bangkok Thailand
Lecturer, Department of Technological Education and Information, Faculty of Technical Education
Songtham Deewanichsakul Rajamangala University of Technology Thanyaburi Thailand
Assistant Professor, Department of Technical Education, Faculty of Technical Education