2005 - Six Sigma Financial Tracking and Reporting [Six SIGMA Operational Methods] (Hardcover) ISBN-13: 9780071458917 ISBN-10: 0071458913 Genres: Business & Money, Science & Math, Engineering & Transportation ? 2004 - The Six Sigma Black Belt Handbook [Six SIGMA Operational Methods] (Hardcover) ISBN-13: 9780071443296 ISBN-10: 0071443290 Genre: Business & Money ? |