Seathao, K., & Phoojomjit, P. (2024). The Development Guideline of School Administrators Characteristic in 21st Century Era Under Maha Sarakham Primary Educational Service Area Office 3: The Development Guideline of School Administrators Characteristic in 21st Century Era Under Maha Sarakham Primary Educational Service Area Office 3. RATANABUTH JOURNAL, 6(1), 306–319. retrieved from https://so07.tci-thaijo.org/index.php/rtnb/article/view/4027