. (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 (In Persian).
