TY - BOOK TI - Six sigma: : advanced tools for black and master black belts SN - 9780470025833 AV - TS156 .K41 2011 U1 - 658.562 SIX 22 PY - 2006/// CY - London PB - John Wiley & Sons KW - Six sigma (Quality control standard) KW - Total quality management N1 - Includes bibliographical references and index ER -