(1975). . Iranian Journal of Information Processing and Management, 3(3), 39-42.
. "", Iranian Journal of Information Processing and Management, 3, 3, 1975, 39-42.
(1975). '', Iranian Journal of Information Processing and Management, 3(3), pp. 39-42.
, "," Iranian Journal of Information Processing and Management, 3 3 (1975): 39-42,
. Iranian Journal of Information Processing and Management, 1975; 3(3): 39-42.
