พันธ์ยางน้อย ส. A Development Model for Digital-Era School Administration of School Administrators under the Secondary Educational Service Area Office Roi Et: A Development Model for Digital-Era School Administration of School Administrators under the Secondary Educational Service Area Office Roi Et. dhammathas [internet]. 2026 Sep. 30 [cited 2026 Oct. 10];26(3):281-92. available from: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/292938