Gygi, Craig, <br/><br/>
Six Sigma for dummies / 
by Craig Gygi and Bruce Williams ; with Neil DeCarlo ; foreword by Stephen R. Covey. 
 - 2nd edition. 
 - Hoboken, NJ :  John Wiley & Sons, Inc.,  [2012] 
 - xxiv, 375 pages :  illustrations (black and white, and colour) ;  23 cm. 
<br/><br/> Previous ed.: 2005.  Includes index.  Formerly CIP. 
<br/><br/>
<br/><br/><label>ISBN: </label>9781118120354 (pbk.) : 1118120353 (pbk.) :  £16.99 
<br/><br/><label>Nat. Bib. No.: </label>GBB242505  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Six sigma (Quality control standard)