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.

F khorami, "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).