Vonelayvanh, P. S. (2026) “Needs Assessment for Enhancing Moral Ethical Development among Lower Secondary School Students”, RMUTK Journal of Liberal Arts. ฺBangkok, Thailand, 8(2), pp. 99–115. available at: https://so02.tci-thaijo.org/index.php/larts-journal/article/view/277247 (accessed: 12 September 2026).