Abas, Erjati. “The Effect of Madrasah Principal’s Leadership and Teachers’ Work Motivation on Learning Effectiveness in Bandar Lampung”. Jurnal Ilmiah Peuradeun 7, no. 2 (May 30, 2019): 305–314. Accessed June 3, 2026. https://journal.scadindependent.org/index.php/jipeuradeun/article/view/271.