Chumthong, S. (2024) “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, 26(4), pp. 326–340. available at: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/270140 (accessed: 15 September 2026).