(1997). . Iranian Journal of Information Processing and Management, 12(3), 70-89.
. "", Iranian Journal of Information Processing and Management, 12, 3, 1997, 70-89.
(1997). '', Iranian Journal of Information Processing and Management, 12(3), pp. 70-89.
, "," Iranian Journal of Information Processing and Management, 12 3 (1997): 70-89,
. Iranian Journal of Information Processing and Management, 1997; 12(3): 70-89.
