Document Type : Original Article
. (2004). . Library and Information Sciences, 7(1), 73-80.
. "", Library and Information Sciences, 7, 1, 2004, 73-80.
. (2004). '', Library and Information Sciences, 7(1), pp. 73-80.
, "," Library and Information Sciences, 7 1 (2004): 73-80,
. . LIS. 2004;7(1):73-80 (In Persian).
