Yusutria, Yusutria, Abdul Hopid, and Rina Febriana. “Leadership of School Principals to Improving Teacher Professionalism at Muhammadiyah School”. Al-Misbah (Jurnal Islamic Studies) 10, no. 2 (December 7, 2022): 144–155. Accessed November 21, 2024. http://journal2.uad.ac.id/index.php/almisbah/article/view/6763.