. (1997). . Iranian Journal of Information Processing and Management, 13(1), 98-105.
. "", Iranian Journal of Information Processing and Management, 13, 1, 1997, 98-105.
. (1997). '', Iranian Journal of Information Processing and Management, 13(1), pp. 98-105.
, "," Iranian Journal of Information Processing and Management, 13 1 (1997): 98-105,
. . Iranian Journal of Information Processing and Management. 1997;13(1):98-105 (In Persian).
