Rum, M. 2017. RISK CONTROL OF CONTINGENCY TRANSACTION IN PROFIT SHARING SYSTEM. Al-Mashrafiyah (Jurnal Ekonomi, Keuangan dan Perbankan Syariah). 1, 1 (Okt 2017). DOI:https://doi.org/10.24252/al-mashrafiyah.v1i1.4688.