Ibrahim, Ibrahim, Asbi Amin, Rostiaty Yunus, and Hasyim Mochtar. 2022. “Meningkatkan Profitabilitas Bank Umum Syariah Di Indonesia Melalui Islamicity Performance Index Dan Operating Eficiency Ratio”. Al-Buhuts 18 (2):250-59. https://doi.org/10.30603/ab.v18i2.3114.