สุเมขะโส ย. Developing a Structural Relationship Model of Causal Factors of Strategic Leadership Influencing the Effectiveness of Sports Schools Administrators in Thailand. JILS [internet]. 2018 Aug. 20 [cited 2026 Sep. 12];12(1):137-4. available from: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/141193