Mongkolthong, J. “A Developmental Approach to Training Management Roles of the Royal Thai Armed Force Headquarters Under the Framework of the ASEAN Defence Ministers’ Meeting-Plus (ADMM-Plus)”. NKRAFA Journal of Humanities and Social Sciences, vol. 6, July 2019, pp. 5-10, https://so04.tci-thaijo.org/index.php/KANNICHA/article/view/147051.