(1997). . Iranian Journal of Information Processing and Management, 13(2), 39-43.
. "", Iranian Journal of Information Processing and Management, 13, 2, 1997, 39-43.
(1997). '', Iranian Journal of Information Processing and Management, 13(2), pp. 39-43.
, "," Iranian Journal of Information Processing and Management, 13 2 (1997): 39-43,
. Iranian Journal of Information Processing and Management, 1997; 13(2): 39-43.
