Simanjuntak, Marihot. 2025. “Optimization of the Financial Services Authority (OJK) As a Regulator and Supervisor of Insurance Related to the Issuance of Shipping Insurance Policy Guarantee Regulations to Support Indonesia’s Economic Development”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 8 (2), 5413-25. https://doi.org/10.31538/iijse.v8i2.6035.