Document Type : Original Article
lotfi, A. A. & mortazavi, K. (2005). Cost Analysis - Optional Insurance Benefits. Social Security Journal, 6(4), 249–272.
lotfi, A. A., & mortazavi, K. "Cost Analysis - Optional Insurance Benefits", Social Security Journal, 6, 4, 2005, 249–272.
lotfi, A. A., & mortazavi, K. (2005). 'Cost Analysis - Optional Insurance Benefits', Social Security Journal, 6(4), pp. 249–272.
lotfi, A. A. & mortazavi, K., "Cost Analysis - Optional Insurance Benefits." Social Security Journal, 6 4 (2005): 249–272,
lotfi A. A., mortazavi K. Cost Analysis - Optional Insurance Benefits. Social Security Journal. 2005;6(4):249–272 (In Persian).
