Zi X. Mediating Effects of Teacher Motivation and Teacher Self-Efficacy on the Relationship Between Transformational Leadership and English Language Teaching Outcomes in Private Universities in Hainan Province. CPY [internet]. 2026 Aug. 25 [cited 2026 Sep. 2];37(2):274-92. available from: https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/290128