(1973). . Iranian Journal of Information Processing and Management, 2(4), 5-10.
. "", Iranian Journal of Information Processing and Management, 2, 4, 1973, 5-10.
(1973). '', Iranian Journal of Information Processing and Management, 2(4), pp. 5-10.
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. Iranian Journal of Information Processing and Management, 1973; 2(4): 5-10.
