วันต๊ะ ปุญญิสา, Tassanee Bunmaphi, Phuwanat Munkhian, and Sirinnicha deethung. “Management for the Internal Supervision System to Develop Educational Quality of School Administrators in the Phrao 4 Educational Quality Development Network Group Under the Chiang Mai Primary Educational Service Area Office 2”. Journal of MCU Phetchaburi Review 9, no. 1 (May 6, 2026): 102–116. accessed August 29, 2026. https://so03.tci-thaijo.org/index.php/JPR/article/view/298240.