Rahmatullah R, Usman N, Bahrun B, AR M. Transformational Leadership of School Principals in Improving Teachers’ Professional Competence at Public Elementary Schools in Cluster 07, Tiro, Pidie District. AJAE [Internet]. 2025 Jul. 31 [cited 2026 Aug. 19];4(3):373-82. Available from: https://journal.formosapublisher.org/index.php/ajae/article/view/14119