โสคำ พ, บัวสุวรรณ พ, สารสว่าง ส. Competencies of Administrators in Educational Management for Sustainable Development of Schools under the Secondary Educational Service Area Office 1. Education MCU [internet]. 2019 Dec. 29 [cited 2025 Apr. 27];6(3):185-94. available from: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/222008