1. Faculty of Humanities and Social Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
2. Development Sciences Program, Faculty of Humanities and Social Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
3. School of Geography, Royal Holloway University, Egham TW20 0EX, UK
4. School of Geography, King’s College London, London WC2B 4BG, UK
5. Environmental Law College, Pannasastra University, Phnom Penh 12301, Cambodia