Jaitieng A, Chapanya Y. School Administrator Roles Affecting Child-centered Learning Management in Schools under Roi Et Primary Educational Service Area Office 3. J Roi Et [internet]. 2025 Apr. 30 [cited 2026 Sep. 11];19(1):63-76. available from: https://so03.tci-thaijo.org/index.php/reru/article/view/284814