1. Department of Eastern Philosophy and Religion, Faculty of Humanities and Social Sciences Khon Kaen University Khon Kaen Thailand
2. Department of Social Sciences, Faculty of Humanities and Social Sciences Khon Kaen University Khon Kaen Thailand
3. Department of Foreign Languages, Faculty of Humanities and Social Sciences Khon Kaen University Khon Kaen Thailand
4. Faculty of Economics Khon Kaen University Khon Kaen Thailand
5. Faculty of Education Mahamakut Buddhist University Isan Campus Salaya Thailand