นครขวาง ศ. Learning - Centered Leadership Affecting the Construction of Teacher Innovation under the Office of Secondary Educational Service Area 25. JILS [internet]. 2018 May 24 [cited 2026 Sep. 12];11(4):193-204. available from: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/125484