Document Type : Original Article
. (2004). . Library and Information Sciences, 7(1), 63-72.
. "", Library and Information Sciences, 7, 1, 2004, 63-72.
. (2004). '', Library and Information Sciences, 7(1), pp. 63-72.
, "," Library and Information Sciences, 7 1 (2004): 63-72,
. . LIS. 2004;7(1):63-72 (In Persian).
