TY - BOOK AU - Breyfogle, Forrest W AU - Cupello, James M Meadows, BeckiĀ  TI - Managing six sigma: a practical guide to understanding, assessing, and implementing the strategy that yields bottom-line success U1 - 658.562 BREĀ  PY - 2001/// CY - New York PB - John Wiley & Sons ER -