Ibrahim, I., Amin, A. , Yunus , R. and Mochtar, H. 2022. Meningkatkan Profitabilitas Bank Umum Syariah di Indonesia Melalui Islamicity Performance Index dan Operating Eficiency Ratio. Al-Buhuts. 18, 2 (Dec. 2022), 250–259. DOI:https://doi.org/10.30603/ab.v18i2.3114.