Kalawong, S., Songka, T. S., Sukeevong, W., & Sanggam , N. (2020). Guidelines for Development of Tourism Professionals According to the ASEAN Mutual Recognition Arrangement on Tourism Professionals (MRA on TP) . Journal of the Association of Researchers, 22(3), 108–120. retrieved from https://so04.tci-thaijo.org/index.php/jar/article/view/244651