Document Type : Original Article
. (1999). . Library and Information Sciences, 2(2), 43-56.
. "", Library and Information Sciences, 2, 2, 1999, 43-56.
. (1999). '', Library and Information Sciences, 2(2), pp. 43-56.
, "," Library and Information Sciences, 2 2 (1999): 43-56,
. . LIS. 1999;2(2):43-56 (In Persian).
