1. Center for Development Economics Studies, Graduate School of Development Economics, National Institute of Development Administration, Klong Chan, Bangkapi, Bangkok, Thailand.
2. Indo-China Country International Trade and Economic Research Sector, Faculty of Interdisciplinary Studies, Khon Kaen University, Nong Khai Campus, Nong Khai Province, Thailand.
3. Faculty of Sociology and Anthropology, Thammasat University, Paholyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, Thailand.
4. Department of Public Administration, Faculty of Political Science, Chulalongkorn University, Henri Dunant Road, Pathumwan, Bangkok, Thailand.