Document Type : Original Article
. (2003). . Library and Information Sciences, 6(3), 113-119.
. "", Library and Information Sciences, 6, 3, 2003, 113-119.
. (2003). '', Library and Information Sciences, 6(3), pp. 113-119.
, "," Library and Information Sciences, 6 3 (2003): 113-119,
. . LIS. 2003;6(3):113-119 (In Persian).
