Document Type : Original Article
. (2000). . Library and Information Sciences, 3(3), 35-41.
. "", Library and Information Sciences, 3, 3, 2000, 35-41.
. (2000). '', Library and Information Sciences, 3(3), pp. 35-41.
, "," Library and Information Sciences, 3 3 (2000): 35-41,
. . LIS. 2000;3(3):35-41 (In Persian).
