KHASANAH, Umiati. 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, [S. l.], v. 6, n. 03, p. 252–260, 2026. DOI: 10.66931/jmb-445. Disponível em: https://e-journal.ibama.ac.id/index.php/jmb/article/view/445. Acesso em: 18 oct. 2026.