Wells, Ronald Improving supply chain performance / Ronald Wells. - Stamford : Chartered Institute of Purchasing & Supply, c2006. - xx, 366 p. : ill. ; 30 cm. - CIPS study matters, Level 5, . - Advanced diploma in purchasing and supply. . Includes index ISBN: 9781861241573 Subjects--Topical Terms: Business logistics --Study guides. Dewey Class. No.: 658.72 / WEL