Levin, Richard I. Quantitative approaches to management / Richard I. Levin, David S. Rubin, Joel P. Stinson. - 6th ed. - New York : McGraw-Hill, 1986. - xviii, 796 p. ISBN: 0070374678 : Subjects--Topical Terms: Operations, Research. LC Class. No.: T56.6 / .L48 1986