Document Type : Original Article
Panahi, B. (2004). Challenges to the social security system at the beginning of the 21st century. Social Security Journal, 6(1), 81–104.
Panahi, B. "Challenges to the social security system at the beginning of the 21st century", Social Security Journal, 6, 1, 2004, 81–104.
Panahi, B. (2004). 'Challenges to the social security system at the beginning of the 21st century', Social Security Journal, 6(1), pp. 81–104.
Panahi, B., "Challenges to the social security system at the beginning of the 21st century." Social Security Journal, 6 1 (2004): 81–104,
Panahi B. Challenges to the social security system at the beginning of the 21st century. Social Security Journal. 2004;6(1):81–104 (In Persian).