Unapak, Chanakan, Wiralphat Wongwatkasem, and Suwattanapong Romsri. “Academic Administration of School Administrators under the Roi Et Municipality”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 9, no. 3 (December 29, 2022): ุึ679–692. Accessed May 20, 2024. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/265407.