Meeyaikachpak , P., & Dejbamrung , S. (2023). INTERNAL QUALITY ASSURANCE IN EDUCATIONAL INSTITUTIONS UNDER THE SECONDARY EDUCATION SERVICE AREA OFFICE BANGKOK 1. Journal of MCU Nakhondhat, 10(9), 85–95. retrieved from https://so03.tci-thaijo.org/index.php/JMND/article/view/271946