Septia Novita Sari, and Haris Santoso. 2026. “Analysis of the Effectiveness of Internal Supervision in Minimizing Problematic Financing in Murabahah Products (Study of BPRS Rajasa, Central Lampung)”. Al-Afkar, Journal For Islamic Studies 9 (2):376-90. https://doi.org/10.31943/afkarjournal.v9i2.3320.