Boonchahuy, Nantawun, Suebpong Prabyai, and Roongrattana Jaroenjit. “Promoting Instruction of Knowledge and Morality Subject in Institution of Higher Education”. International Journal of Development Administration Research 3, no. 1 (July 25, 2022): 45–52. Accessed April 26, 2024. https://so02.tci-thaijo.org/index.php/ijdar/article/view/247230.