KEAWPHUANG, J.; PHAYOM, C. The Roles of School Administrators in Internal Supervision by using the Classroom-Based Approach to Develop Students’ Quality under the Lop Buri Primary Educational Service Area Office 2. Interdisciplinary Academic and Research Journal , Maha Sara Kham, TH., v. 5, n. 6, p. 289–302, 2025. DOI: 10.60027/iarj.2025.286572. Disponível em: https://so03.tci-thaijo.org/index.php/IARJ/article/view/286572. Acesso em: 1 oct. 2026.