1. Assistant Professor, Dept. of Civil Technology Education, King Mongkut’s Univ. of Technology Thonburi, Bangkok, 10140, Thailand (corresponding author).
2. Professor, Dept. of Civil Engineering, King Mongkut’s Univ. of Technology, Thonburi, Bangkok, 10140, Thailand.
3. Lecturer, School of Industrial Education and Technology, King Mongkut’s Univ. of Technology Thonburi, Bangkok, 10140, Thailand.