Fatoni, A., Siswati, M., & Utami, K. D. S. (2024). Non-performing Financing and Rate of Return on Mudharaba and Musharaka Contracts of Islamic Banks Before and During the COVID-19 Period. Al-Muamalat: Jurnal Ekonomi Syariah, 11(1), 86–94. https://doi.org/10.15575/am.v11i1.33921