. (1973). . Iranian Journal of Information Processing and Management, 2(2), 50-57.
. "", Iranian Journal of Information Processing and Management, 2, 2, 1973, 50-57.
. (1973). '', Iranian Journal of Information Processing and Management, 2(2), pp. 50-57.
, "," Iranian Journal of Information Processing and Management, 2 2 (1973): 50-57,
. . Iranian Journal of Information Processing and Management. 1973;2(2):50-57 (In Persian).
