Pangpis, Surasak, Chutima Phrompui, and Suwattanapong Romsri. 2022. “The self-discipline development activities management of schools under the Surin Secondary Education Service Area Office”. Journal for Developing the Social and Community 9 (1). Bangkok, Thailand:503-12. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/254172.