siripon C, Pakothang J, Srikrachang S, Arnupharbsaenyakorn P. Quality Assurance Operation within the Educational Institutions under the Office of Sisaket Primary Educational Service Area 3. Pitchayatat [Internet]. 2022 Aug. 27 [cited 2024 Apr. 26];17(2):17-29. Available from: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/252093