Executive Sciences Institute. (1961). Operations research/management science. Executive Sciences Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रExecutive Sciences Institute. Operations Research/management Science. Whippany, N.J.: Executive Sciences Institute, 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रExecutive Sciences Institute. Operations Research/management Science. Executive Sciences Institute, 1961.
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