(1998). . Iranian Journal of Information Processing and Management, 13(3), 77-89.
. "", Iranian Journal of Information Processing and Management, 13, 3, 1998, 77-89.
(1998). '', Iranian Journal of Information Processing and Management, 13(3), pp. 77-89.
, "," Iranian Journal of Information Processing and Management, 13 3 (1998): 77-89,
. Iranian Journal of Information Processing and Management, 1998; 13(3): 77-89.
