Pangpis, Surasak, Chutima Phrompui, and Suwattanapong Romsri. “The self-discipline development activities management of schools under the Surin Secondary Education Service Area Office”. Journal for Developing the Social and Community 9, no. 1 (April 26, 2022): 503–512. accessed March 13, 2025. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/254172.