Document Type : Original Article
. (1999). . Library and Information Sciences, 2(4), 59-78.
. "", Library and Information Sciences, 2, 4, 1999, 59-78.
. (1999). '', Library and Information Sciences, 2(4), pp. 59-78.
, "," Library and Information Sciences, 2 4 (1999): 59-78,
. . LIS. 1999;2(4):59-78 (In Persian).
