Document Type : Original Article
. (1998). . Library and Information Sciences, 1(2), 100-104.
. "", Library and Information Sciences, 1, 2, 1998, 100-104.
. (1998). '', Library and Information Sciences, 1(2), pp. 100-104.
, "," Library and Information Sciences, 1 2 (1998): 100-104,
. . LIS. 1998;1(2):100-104 (In Persian).
