Ariwibowo, Yusuf, and Esy Nur Aisyah. 2025. “Analisis Efisiensi Operasional Bank Muamalat Indonesia: Kajian Rasio Bopo Periode 2020–2024”. Maliki Interdisciplinary Journal 4 (1). https://urj.uin-malang.ac.id/index.php/mij/article/view/20154.