Anyarat Sonsanam
<li>Department of Industrial Education, Faculty of Technical Education, Rajamangala University of Technology Thanyaburi</li> Thailand
Somporn Vongpeang
<li>Department of Industrial Education, Faculty of Technical Education, Rajamangala University of Technology Thanyaburi</li> Thailand
Tawatchai Sonsanam
<li>Division of Electrical Engineering, Faculty of Science and Technology, Dhonburi Rajabhat University</li> Thailand