. (1999). . Iranian Journal of Information Processing and Management, 15(1), 25-35.
. "", Iranian Journal of Information Processing and Management, 15, 1, 1999, 25-35.
. (1999). '', Iranian Journal of Information Processing and Management, 15(1), pp. 25-35.
, "," Iranian Journal of Information Processing and Management, 15 1 (1999): 25-35,
. . Iranian Journal of Information Processing and Management. 1999;15(1):25-35 (In Persian).
