วัชรสินธุ์ ณ. (2019) “Security Guard Competency Development to Provide the Readiness in ASEAN Community”, Journal of MCU Humanities Review. ิิิBankok, Thailand, 5(1), pp. 189–196. Available at: https://so03.tci-thaijo.org/index.php/human/article/view/172847 (Accessed: 29 April 2024).