Promduang, Thanakorn. 2021. “Morale in the Operation of Personnel in the Southern Border Provinces Administrative Center: Morale in the Operation of Personnel in the Southern Border Provinces Administrative Center”. LAWARATH SOCIAL E – JOURNAL 3 (1):1-14. https://so04.tci-thaijo.org/index.php/lawarathjo/article/view/246008.