. (1997). . Iranian Journal of Information Processing and Management, 13(1), 61-83.
. "", Iranian Journal of Information Processing and Management, 13, 1, 1997, 61-83.
. (1997). '', Iranian Journal of Information Processing and Management, 13(1), pp. 61-83.
, "," Iranian Journal of Information Processing and Management, 13 1 (1997): 61-83,
. . Iranian Journal of Information Processing and Management. 1997;13(1):61-83 (In Persian).
