Panmisri, S. (2022) “Moral Promotion for OBEC Moral School of Primary Schools under Rayong Education Service Area Office 1”, Journal of Modern Learning Development, 7(8), pp. 316–327. available at: https://so06.tci-thaijo.org/index.php/jomld/article/view/259411 (accessed: 9 October 2026).