U. Khasanah, “Operational Risk and Gold Price Volatility Mitigation in E-Rahn Services: A Case Study of PT Pegadaian Syariah Madiun Branch Under Pojk No. 29/2025”, HARAMAIN : Jurnal Manajemen Bisnis, vol. 6, no. 03, pp. 252–260, Sep. 2026, doi: 10.66931/jmb-445.