Komarudin , Parman, Hendra Hadi, and Muhammad Sodiki. “Produktive Financing Problems in Islamic Banks, (Research at Universities in Indonesia : A Systematic Literature Review Analysis)”. Al-Insyiroh: Jurnal Studi Keislaman 9, no. 1 (March 30, 2023): 168–209. Accessed January 15, 2026. https://www.jurnal.staidhi.com/index.php/alinsyiroh/article/view/230.