Document Type : Original Article
. (2003). . Library and Information Sciences, 6(4), 55-64.
. "", Library and Information Sciences, 6, 4, 2003, 55-64.
. (2003). '', Library and Information Sciences, 6(4), pp. 55-64.
, "," Library and Information Sciences, 6 4 (2003): 55-64,
. . LIS. 2003;6(4):55-64 (In Persian).
