movafaghiyan,N . (2001). Introduction of documents. Social Security Journal, 3(2), 251-286.
movafaghiyan,N . "Introduction of documents", Social Security Journal, 3, 2, 2001, 251-286.
movafaghiyan N. (2001). 'Introduction of documents', Social Security Journal, 3(2), pp. 251-286.
N movafaghiyan, "Introduction of documents," Social Security Journal, 3 2 (2001): 251-286,
movafaghiyan N. Introduction of documents. Social Security Journal. 2001;3(2):251-286 (In Persian).