Meeyaikachpak , P. . and Dejbamrung , S. . (2023) “INTERNAL QUALITY ASSURANCE IN EDUCATIONAL INSTITUTIONS UNDER THE SECONDARY EDUCATION SERVICE AREA OFFICE BANGKOK 1”, Journal of MCU Nakhondhat. Nakhon Si Thammarat, Thailand, 10(9), pp. 85–95. available at: https://so03.tci-thaijo.org/index.php/JMND/article/view/271946 (accessed: 6 December 2025).