Toyyibi, A. M. (2025). Sistem Pengendalian Resiko Gagal Bayar Nasabah Pembiayaan Di BMT Amanah Ummah Surabaya. IQTISADIE: Journal of Islamic Banking and Shariah Economy, 5(01), 53–66. https://doi.org/10.36781/iqtisadie.v5i01.951