Document Type : Original Article
. (1999). . Library and Information Sciences, 2(2), 141-148.
. "", Library and Information Sciences, 2, 2, 1999, 141-148.
. (1999). '', Library and Information Sciences, 2(2), pp. 141-148.
, "," Library and Information Sciences, 2 2 (1999): 141-148,
. . LIS. 1999;2(2):141-148 (In Persian).
