(1973). . Iranian Journal of Information Processing and Management, 2(1), 9-19.
. "", Iranian Journal of Information Processing and Management, 2, 1, 1973, 9-19.
(1973). '', Iranian Journal of Information Processing and Management, 2(1), pp. 9-19.
, "," Iranian Journal of Information Processing and Management, 2 1 (1973): 9-19,
. Iranian Journal of Information Processing and Management, 1973; 2(1): 9-19.
