Document Type : Original Article
. (2004). . Library and Information Sciences, 7(2), 121-136.
. "", Library and Information Sciences, 7, 2, 2004, 121-136.
. (2004). '', Library and Information Sciences, 7(2), pp. 121-136.
, "," Library and Information Sciences, 7 2 (2004): 121-136,
. . LIS. 2004;7(2):121-136 (In Persian).
