Barnard, William The innovation edge: creating strategic breakthroughs using the voice of the customer/ William Barnads and Thomas F. Wallace - Vermont: Oliver Wight Pub., c1994 - xii, 180 p.; 22 cm. - Executive breakthrough series . Includes index Bibliography: p. 169-170 ISBN: 0939246414 $ 27.50 Subjects--Topical Terms: Customer relationsSales managementCustomer services Dewey Class. No.: 658.812