Document Type : Original Article
. (2000). . Library and Information Sciences, 3(2), 147-158.
. "", Library and Information Sciences, 3, 2, 2000, 147-158.
. (2000). '', Library and Information Sciences, 3(2), pp. 147-158.
, "," Library and Information Sciences, 3 2 (2000): 147-158,
. . LIS. 2000;3(2):147-158 (In Persian).
