ปิ่นทอง พ. Effective Leadership of School Administrators Affecting Teacher Empowerment under the Office of Secondary Educational Service Area 25. Journal of Innovation and Learning Sciences, [S. l.], v. 11, n. 3, p. 153–163, 2018. Disponível em: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/124348. Acesso em: 16 sep. 2026.