Document Type : Original Article
. (1997). . Library and Information Sciences, 1(1), 30-31.
. "", Library and Information Sciences, 1, 1, 1997, 30-31.
. (1997). '', Library and Information Sciences, 1(1), pp. 30-31.
, "," Library and Information Sciences, 1 1 (1997): 30-31,
. . LIS. 1997;1(1):30-31 (In Persian).
