Document Type : Original Article
. (2000). . Library and Information Sciences, 3(4), 59-68.
. "", Library and Information Sciences, 3, 4, 2000, 59-68.
. (2000). '', Library and Information Sciences, 3(4), pp. 59-68.
, "," Library and Information Sciences, 3 4 (2000): 59-68,
. . LIS. 2000;3(4):59-68 (In Persian).
