Document Type : Original Article
. (2002). . Library and Information Sciences, 5(2), 25-40.
. "", Library and Information Sciences, 5, 2, 2002, 25-40.
. (2002). '', Library and Information Sciences, 5(2), pp. 25-40.
, "," Library and Information Sciences, 5 2 (2002): 25-40,
. . LIS. 2002;5(2):25-40 (In Persian).