Phopum, Natchapapha, Prakru sathukitkosol, and Pradit Chuenban. “Self Development Model in the Critical Situation, Covid-19 According to the Buddhist Moral Code of Peple in Surin Provice”. Journal of Graduate MCU KhonKaen Campus 9, no. 3 (September 30, 2022): 268–278. Accessed March 29, 2024. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/255624.