Ahmad Sadikin Daulay, Marlina Siregar, Aziddin Harahap, Junita, Muhammad Ardansyah. Effects of Principals’ Transformational Leadership and Work Motivation on Teacher Performance in Barumun Junior High Schools. JPLED [Internet]. 2026 Aug. 30 [cited 2026 Sep. 8];6(3). Available from: https://digitalpress.gaes-edu.com/index.php/jpled/article/view/1287