Paopuree W. Internal Supervision Conditions of Schools in Phu Krachan School Group under Sisaket Primary Educational Service Area Office 4. jomld [internet]. 2020 Nov. 15 [cited 2026 Sep. 10];5(6):38-47. available from: https://so06.tci-thaijo.org/index.php/jomld/article/view/245213