Purwanti J, Zuhaery M, Santosa AB. Building Happy Ecosystems: Transformational Leadership Strategies in Managing Psychological Wellbeing of School People : Penelitian. JERKIN [Internet]. 2026 Mar. 26 [cited 2026 Apr. 29];4(4):22821-30. Available from: https://jerkin.org/index.php/jerkin/article/view/5678