TEVADA, P.; SIRIKASE, B. Educational Administration Based on the Four Principles of Educational Institution Administrators Affects the Teaching and Learning Activities of Teachers in the 21st Century of Schools Under the Loei Primary Educational Service Area Office 2: Educational Administration Based on the Four Principles of Educational Institution Administrators Affects the Teaching and Learning Activities of Teachers in the 21st Century of Schools Under the Loei Primary Educational Service Area Office 2. RATANABUTH JOURNAL, Yasothon, Thailand, v. 5, n. 2, p. 619–636, 2023. Disponível em: https://so07.tci-thaijo.org/index.php/rtnb/article/view/3302. Acesso em: 12 oct. 2024.