ปิ่นทอง พ. (2018) “Effective Leadership of School Administrators Affecting Teacher Empowerment under the Office of Secondary Educational Service Area 25”, Journal of Education Khon Kaen University (Graduate Studies Research), 11(3), pp. 153–163. available at: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/124348 (accessed: 27 April 2025).