1. Program in Energy Engineering, Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
2. Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
3. Multidisciplinary Research Institute, Chiangmai University, Chiang Mai 50200, Thailand
4. Faculty of Economics, Chiang Mai University, Chiang Mai 50200, Thailand
5. Office of Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand
6. Energy Technology for Environment Research Center, Chiang Mai University, Chiang Mai 50200, Thailand