Document Type : Original Article
. (2002). . Library and Information Sciences, 5(4), 61-80.
. "", Library and Information Sciences, 5, 4, 2002, 61-80.
. (2002). '', Library and Information Sciences, 5(4), pp. 61-80.
, "," Library and Information Sciences, 5 4 (2002): 61-80,
. . LIS. 2002;5(4):61-80 (In Persian).