Document Type : Original Article
. (2002). . Library and Information Sciences, 5(4), 51-60.
. "", Library and Information Sciences, 5, 4, 2002, 51-60.
. (2002). '', Library and Information Sciences, 5(4), pp. 51-60.
, "," Library and Information Sciences, 5 4 (2002): 51-60,
. . LIS. 2002;5(4):51-60 (In Persian).
