Cruthaka, Chomsupak, Duangduen Chancharoen, Taviga Tungprapa, Apinya Ingard, and Pornkul Suksod. “Efficiency Predictive Factors for Professional Ability of Ramkhamhaeng University Lecturers for ASEAN Socio-Cultural Community”. Asian Journal of Education and Training 6, no. 3 (September 1, 2020): 536-540. Accessed November 27, 2021. https://asianonlinejournals.com/index.php/EDU/article/view/2078.