Document Type : Original Article
. (1997). . Library and Information Sciences, 1(1), 17-18.
. "", Library and Information Sciences, 1, 1, 1997, 17-18.
. (1997). '', Library and Information Sciences, 1(1), pp. 17-18.
, "," Library and Information Sciences, 1 1 (1997): 17-18,
. . LIS. 1997;1(1):17-18 (In Persian).
