Heizer, Jay. Principles of operations management / Jay Heizer and Barry Render. - 7th ed. - Upper Saddle River : Pearson, 2007. - xxxiii, 684 p. (various pagings) : col. ill. ; 28 cm. Includes index. Includes bibliographical references. ISBN: 9780132343282 (pbk.) Subjects--Topical Terms: Production management.