Rivett, P., & Ackoff, R. L. (1963). A manager's guide to operational research. London: John Wiley & Sons.
Παραπομπή Chicago StyleRivett, Patrick, and Russell Lincoln Ackoff. A Manager's Guide to Operational Research. London: John Wiley & Sons, 1963.
Παραπομπή MLARivett, Patrick, and Russell Lincoln Ackoff. A Manager's Guide to Operational Research. London: John Wiley & Sons, 1963.
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