Keller, Paul. , <br/><br/>
Six sigma demystified / 
Paul Keller. 
 - xiv, 480 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>9780071445443 0071445447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Six sigma (Quality control standard).
<br/><br/><label>LC Class. No.: </label>TS156   / .K44 2005