Hinsui U, Piampuechana N. Needs for Internal Quality Assurance Operation of Basic Educational Institutions under Roi Et Primary Educational Service Area Office 2. AJMBU [Internet]. 2020 Nov. 27 [cited 2024 Apr. 26];10(2):510-2. Available from: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/244603