. (1999). . Iranian Journal of Information Processing and Management, 14(3), 13-27.
. "", Iranian Journal of Information Processing and Management, 14, 3, 1999, 13-27.
. (1999). '', Iranian Journal of Information Processing and Management, 14(3), pp. 13-27.
, "," Iranian Journal of Information Processing and Management, 14 3 (1999): 13-27,
. . Iranian Journal of Information Processing and Management. 1999;14(3):13-27 (In Persian).
