Linrat , Kedsarin. 2022. “THE BEST PRACTICES DEVELOPMENT PROCESS OF SCHOOL INTERNAL QUALITY ASSURANCE: UTTARADIT DARUNI SCHOOL”. Journal of MCU Nakhondhat 9 (9). Nakhon Si Thammarat, Thailand:73-90. https://so03.tci-thaijo.org/index.php/JMND/article/view/263794.