. (1997). . Iranian Journal of Information Processing and Management, 12(3), 70-89.
. "", Iranian Journal of Information Processing and Management, 12, 3, 1997, 70-89.
. (1997). '', Iranian Journal of Information Processing and Management, 12(3), pp. 70-89.
, "," Iranian Journal of Information Processing and Management, 12 3 (1997): 70-89,
. . Iranian Journal of Information Processing and Management. 1997;12(3):70-89 (In Persian).
