Document Type : Original Article
. (1998). . Library and Information Sciences, 1(2), 54-59.
. "", Library and Information Sciences, 1, 2, 1998, 54-59.
. (1998). '', Library and Information Sciences, 1(2), pp. 54-59.
, "," Library and Information Sciences, 1 2 (1998): 54-59,
. . LIS. 1998;1(2):54-59 (In Persian).
