1. Ph.D candidate, Chakrabongse Bhuvanarth International Institute for Interdisciplinary Studies, Rajamangala University of Technology Tawan-ok, Bangkok, Thailand
2. Doctor, Chakrabongse Bhuvanarth International Institute for Interdisciplinary Studies, Rajamangala University of Technology Tawan-ok, Bangkok, Thailand
3. Doctor, Professor, Henan University of Economics and Law, Zhengzhou, China