TANTRAKUL, S.; PIAMPEUCHANA, N. The Administrators, Leadership in the 21st Century Affecting to School Effectiveness under Khonkaen Primary Educational Service Area office 5. Journal of Graduate MCU KhonKaen Campus, [S. l.], v. 11, n. 3, p. 207–220, 2024. Disponível em: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/269770. Acesso em: 1 oct. 2026.