Document Type : Original Article
. (2001). . Library and Information Sciences, 4(2), 51-70.
. "", Library and Information Sciences, 4, 2, 2001, 51-70.
. (2001). '', Library and Information Sciences, 4(2), pp. 51-70.
, "," Library and Information Sciences, 4 2 (2001): 51-70,
. . LIS. 2001;4(2):51-70 (In Persian).
