KANG-ONTA, N.; SUAKLAY, N. Guidelines for Developing 21st Century Management Skills for School Administrators Under the Chiang Rai Primary Educational Service Area Office 1. Academic MCU Buriram Journal, [S. l.], v. 11, n. 2, p. 273–284, 2026. Disponível em: https://so06.tci-thaijo.org/index.php/ambj/article/view/292582. Acesso em: 1 oct. 2026.