Ninsangrat N, Kotchai A, Langgasoot P. INTERNAL QUALITY ASSURANCE OF SMALL EDUCATIONAL INSTITUTION ADMINISTRATOR UNDER THE JURISDICTION OF PRIMARY EDUCATIONAL SERVICE AREA OFFICE, PATHUMTHANI PROVINCE. JBER [Internet]. 2022 Aug. 31 [cited 2024 May 19];8(2):175-84. Available from: https://so06.tci-thaijo.org/index.php/jber/article/view/260786