Kongkachart, C., & Thosagrai, T. (2026). A Study of Internal Supervision in Educational Institutions According to The Ariyasacca 4 by School Administrators in Bangmunnak 01 Network Under Phichit Primary Educational Service Area Office 2. Journal of Applied Education, 4(4), 35–48. retrieved from https://so16.tci-thaijo.org/index.php/JAE/article/view/4021