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, N. J. :  Prentice Hall,  2006. 
 - xxi, 382 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780131687400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Six sigma (Quality control standard)
<br/><br/><label>LC Class. No.: </label>HD62.15  / .Z56 2006