Document Type : Original Article
. (1999). . Library and Information Sciences, 2(3), 56-70.
. "", Library and Information Sciences, 2, 3, 1999, 56-70.
. (1999). '', Library and Information Sciences, 2(3), pp. 56-70.
, "," Library and Information Sciences, 2 3 (1999): 56-70,
. . LIS. 1999;2(3):56-70 (In Persian).
