khorami, F. (2007). The Challenges of the Retirement System in the Islamic Republic of Iran. Social Security Journal, 9(2), 13–30.

khorami, F. "The Challenges of the Retirement System in the Islamic Republic of Iran", Social Security Journal, 9, 2, 2007, 13–30.

khorami, F. (2007). 'The Challenges of the Retirement System in the Islamic Republic of Iran', Social Security Journal, 9(2), pp. 13–30.

khorami, F., "The Challenges of the Retirement System in the Islamic Republic of Iran." Social Security Journal, 9 2 (2007): 13–30,

khorami F. The Challenges of the Retirement System in the Islamic Republic of Iran. Social Security Journal. 2007;9(2):13–30 (In Persian).