Nootawee, N., Chanakul, B. . and Temrat, S. . (2024) “ADMINISTRATOR’S COMPETENCIES AFFECTING ACHIEVEMENT OF SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE SURATTHANI CHUMPHON”, Journal of MCU Nakhondhat. Nakhon Si Thammarat, Thailand, 11(1), pp. 70–81. available at: https://so03.tci-thaijo.org/index.php/JMND/article/view/274690 (accessed: 7 December 2025).