Phumang, N. and Chansirisira, P. (2020) “THE DEVELOPMENT OF GUIDELINE TO STRENGTHEN TEACHERS’ COMPETENCY OF LEARNING MANAGEMENT IN SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE 26”, Journal of MCU Nakhondhat. Nakhon Si Thammarat, Thailand, 7(6), pp. 323–337. Available at: https://so03.tci-thaijo.org/index.php/JMND/article/view/244551 (Accessed: 18 April 2024).