Hidayatullah, M. S., and R. Fadillah. “Economic and Legal Dimensions of Collateral Existence in Modern Mudhârabah Contracts: Understanding the Relationship Between Risk Management, National Law, and Contemporary Fiqh”. Al-Manahij: Jurnal Kajian Hukum Islam, vol. 16, no. 2, Nov. 2022, pp. 223-38, doi:10.24090/mnh.v16i2.6860.