Zinkgraf, Stephen A.  1948- <br/><br/>
Six sigma :  the first 90 days / 
Stephen A. Zinkgraf ; with contributions from Sigma Breakthrough Technologies, Inc., Instantis, Inc., and Peak Performance Consulting Corporation 
 - Upper Saddle River, NJ :  Prentice Hall,  2006 
 - xxi, 382 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0131687409 (hbk.)  RM115.33 9780131687400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Six Sigma (Quality control standard)