Management science : an introduction / K. Roscoe Davis, Patrick G. McKeown, Terry R. Rakes. Davis, K. Roscoe, 1940- McKeown, Patrick G., 1943- Rakes, Terry R. Industrial management Mathematical models. Operations research. HD30.25 .D37 1986 658.4034 19 DAM Includes index. Boston, Mass. : Kent Pub. Co., c1986. c1986. 1986 Text xxiii, 819 p. : eng