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  1. Subir Chowdhury, The Power of Six Sigma, Dearborn Trade, USA, 2001.
  2. ¤º¦a¾ÇªÌ§âsigma ­µÄ¶¬°¡u¦è®æ½X¡v¡C µ§ªÌ»{¬°§â ¡§si¡¨ ͧ@¡u¦è¡v¬O¤£¹ïªº¡A¦]¬°¡u¦è¡vªºº~»y»y­µ¬O ¡§xi¡¨¡C ¦Ó¡u¥q¡vªºº~»y»y­µ«h¬O ¡§si¡¨¡C ¦AªÌ¡A¡u¥q¡v¦³´xºÞ¡B¸gÀçµ¥ªº·N¸q¡A¦Ó¡u®æ¡v«h¦³³W½dªº§t¸q, ¡u¥q®æ¡v¦A°t¤W¦³¼Ð·Ç·Nªº¡u½X¡v¡A¦X¦¨¡u¥q®æ½X¡v¤@µü¡A¥i»¡¬O·N¸q¡B­µÃý­Ñ¨ìªºÄ¶¦W¤F¡C
  3. °Ñ¨£: (1) Peter S Pande, Robert P. and Roland R. Cavanagh, The Six Sigma Way: How GE, Motorola, and other top companies are honing their performance, McGraw-Hell, New York, 2000; (2) Mikel J Harry, Richard Schroeder, Six Sigm: the breakthrough Management Strategy Revolutionizing the World Top companies Currency, New York, 2000; (3) George Eckes, The Six Sigma Revolution: How General Eelctric and Others turned Process into Projects, John Wiley, New York, 2001; (4) Thomas Byzdek, The Six Sigma Handbook: a complete guide for greenbelts, blackbelts and managers at all levels, McGraw-Hill, New York, 2001; (5) D.H. Stamatis, Six Sigma and Beyond, Boca Raton, St. Lucie, 2001.