CHUMTHONG, S. THE DEVELOPMENT OF INTERNAL SUPERVISION MODEL TO PROMOTE EFFICIENCY OF TEACHERS’ LEARNING MANAGEMENT IN THE 21ST CENTURY UNDER SURATTHANI PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1 . Journal of Education and Innovation, [S. l.], v. 26, n. 4, p. 326–340, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/270140. Acesso em: 16 sep. 2026.