1. Engineering Department, NJS Consultants CO., LTD., Tokyo, Japan
2. Faculty of Engineering, Khon Kaen University, Khon Kaen, Thailand
3. Department of Civil and Environmental Engineering, Nagaoka University of Technology, Niigata, Japan
4. Department of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam
5. Office of Public Work, Khon Kaen Municipality, Khon Kaen, Thailand
6. Department of Science of Technology Innovation, Nagaoka University of Technology, Niigata, Japan