ชาวเสมา พ. The Key Characteristics of School Administrators Affecting High Performance School under the Office of Secondary Education Service Area 31. JILS [internet]. 2018 May 24 [cited 2026 Sep. 12];11(4):76-87. available from: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/125398