Document Type : Original Article
. (1998). . Library and Information Sciences, 1(2), 18-37.
. "", Library and Information Sciences, 1, 2, 1998, 18-37.
. (1998). '', Library and Information Sciences, 1(2), pp. 18-37.
, "," Library and Information Sciences, 1 2 (1998): 18-37,
. . LIS. 1998;1(2):18-37 (In Persian).
