. (2002). . Iranian Journal of Information Processing and Management, 18(1), 90-91.
. "", Iranian Journal of Information Processing and Management, 18, 1, 2002, 90-91.
. (2002). '', Iranian Journal of Information Processing and Management, 18(1), pp. 90-91.
, "," Iranian Journal of Information Processing and Management, 18 1 (2002): 90-91,
. . Iranian Journal of Information Processing and Management. 2002;18(1):90-91 (In Persian).
