TOYYIBI, A. M. Sistem Pengendalian Resiko Gagal Bayar Nasabah Pembiayaan Di BMT Amanah Ummah Surabaya. IQTISADIE: Journal of Islamic Banking and Shariah Economy, [S. l.], v. 5, n. 01, p. 53–66, 2025. DOI: 10.36781/iqtisadie.v5i01.951. Disponível em: https://jurnal.alfithrah.ac.id/index.php/iqtisadie/article/view/951. Acesso em: 17 apr. 2026.