Leethong-in, Pornteap, Thipsuda Kitlert, Venus Sakunhom, and Mongkolchai Boonkaew. “Prototype School on Development of Morals and Ethics for Early Childhood in the 21st Century”. Journal of Multidisciplinary in Social Sciences 19, no. 1 (May 9, 2023): 55–62. accessed April 5, 2025. https://so03.tci-thaijo.org/index.php/sduhs/article/view/268339.