Schorr, John E. Purchasing in the 21st century : a guide to state-of-the-art techniques and strategies / John E. Schorr. - Essex Junction, Vt. : O. Wight Publications, c1992. - x, 286 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0939246228 : $42.50 LCCN: 92060538 Subjects--Topical Terms: Industrial procurement.Just-in-time systems.Manufacturing resource planning. LC Class. No.: HD5437 / .Sch 6 1992 Dewey Class. No.: 658.7/2