Umar, Umar, Punaji Setyosari, and Waras Kamdi. “Strengthening Leadership Integrity in Religious Educational Institutions; The Phenomenon of Muhammadiyah Boarding Schools in Indonesia”. Al-Misbah (Jurnal Islamic Studies) 13, no. 1 (November 25, 2025): 58–67. Accessed December 5, 2025. http://journal2.uad.ac.id/index.php/almisbah/article/view/13032.