Document Type : Original Article
. (2004). . Library and Information Sciences, 7(4), 33-42.
. "", Library and Information Sciences, 7, 4, 2004, 33-42.
. (2004). '', Library and Information Sciences, 7(4), pp. 33-42.
, "," Library and Information Sciences, 7 4 (2004): 33-42,
. . LIS. 2004;7(4):33-42 (In Persian).
