Document Type : Original Article
. (2002). . Library and Information Sciences, 5(3), 109-114.
. "", Library and Information Sciences, 5, 3, 2002, 109-114.
. (2002). '', Library and Information Sciences, 5(3), pp. 109-114.
, "," Library and Information Sciences, 5 3 (2002): 109-114,
. . LIS. 2002;5(3):109-114 (In Persian).