อยู่แท้กูล ส., รูปสุวรรณกุล ป. ., กลิ่นเกษร อ. ., and บุญนาค ล. ., “Core Competencies of School Administrators in Mueang Sa Kaeo District under the Sa Kaeo Primary Educational Service Area Office 1”, BMV, vol. 3, no. 3-2, pp. 54–68, May 2026, Accessed: Jul. 29, 2026. [Online]. Available: https://benjamit.thonburi-u.ac.th/ojs/index.php/bmv16/article/view/497