(1999). . Iranian Journal of Information Processing and Management, 14(3), 50-59.
. "", Iranian Journal of Information Processing and Management, 14, 3, 1999, 50-59.
(1999). '', Iranian Journal of Information Processing and Management, 14(3), pp. 50-59.
, "," Iranian Journal of Information Processing and Management, 14 3 (1999): 50-59,
. Iranian Journal of Information Processing and Management, 1999; 14(3): 50-59.
