Document Type : Original Article
. (2000). . Library and Information Sciences, 3(2), 115-119.
. "", Library and Information Sciences, 3, 2, 2000, 115-119.
. (2000). '', Library and Information Sciences, 3(2), pp. 115-119.
, "," Library and Information Sciences, 3 2 (2000): 115-119,
. . LIS. 2000;3(2):115-119 (In Persian).
