Nootawee, N., Chanakul, B., & Temrat, S. (2024). ADMINISTRATOR’S COMPETENCIES AFFECTING ACHIEVEMENT OF SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE SURATTHANI CHUMPHON. Journal of MCU Nakhondhat, 11(1), 70–81. retrieved from https://so03.tci-thaijo.org/index.php/JMND/article/view/274690