WITCHAYAPANYAKUL, W. The 21st Century Skills of School Administrators According to the Teachers’ Opinions in Piyamit Cluster Under the Secondary Educational Service Area Office Pathum Thani. Legal State Journal, [S. l.], v. 1, n. 4, p. 20–28, 2023. Disponível em: https://so19.tci-thaijo.org/index.php/LSJ/article/view/169. Acesso em: 3 jul. 2025.