Seesang, G., & Ruangsuwan, C. (2023). The Development Guidelines for Achievement Motivation Competencies of School Administrators Under Kalasin Secondary Educational Service Area Office. Journal of Education Rajabhat Maha Sarakham University, 20(2), 48–59. retrieved from https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/258918