Document Type : Original Article
. (2001). . Library and Information Sciences, 4(4), 69-90.
. "", Library and Information Sciences, 4, 4, 2001, 69-90.
. (2001). '', Library and Information Sciences, 4(4), pp. 69-90.
, "," Library and Information Sciences, 4 4 (2001): 69-90,
. . LIS. 2001;4(4):69-90 (In Persian).
