Hillier, Frederick S. Introduction to operations research : concepts and cases / Frederick S. Hillier and Gerald J. Lieberman - 8th ed. - India : Tata McGraw-Hill ; 2005. - xxxi, 1061 pages: ill; 25 cm. ISBN: 9780070600928 Subjects--Topical Terms: Operations research Dewey Class. No.: 658.4034 / HIL