Phopum, Natchapapha, Prakru sathukitkosol, and Pradit Chuenban. 2022. “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 (3):268-78. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/255624.