Document Type : Original Article
. (1999). . Library and Information Sciences, 2(2), 121-140.
. "", Library and Information Sciences, 2, 2, 1999, 121-140.
. (1999). '', Library and Information Sciences, 2(2), pp. 121-140.
, "," Library and Information Sciences, 2 2 (1999): 121-140,
. . LIS. 1999;2(2):121-140 (In Persian).
