Rostami Noroozabad, M., Sahrazi, M., Mardani, Z., & Arian Asl, H. "Surveying The Effects of Claim Ratio, Operating Costs, and Retention Ratio on the Profitability of Insurance Companies", Financial Management Perspective, 13, 43, 2023, 29–49. doi: 10.48308/jfmp.2024.104192