Hillier, Frederick S. Introduction to operations research / Frederick S. Hillier, Gerald J.Lieberman. - 8th edition. - Boston : McGraw-Hill, 2005. - xxv, 1061 pages : black and white illustrations ; 25 cm. Includes index. ISBN: 0071251332 Subjects--Topical Terms: Operations research. Dewey Class. No.: CIR 658.4034 H654i 2005