Document Type : Original Article
. (1997). . Library and Information Sciences, 1(1), 52-52.
. "", Library and Information Sciences, 1, 1, 1997, 52-52.
. (1997). '', Library and Information Sciences, 1(1), pp. 52-52.
, "," Library and Information Sciences, 1 1 (1997): 52-52,
. . LIS. 1997;1(1):52-52 (In Persian).
