Pyzdek T <br/><br/>
Six sigman handbook: Complete guide for greenbelts, blackbelts and managers at all levels 
Pyzdek T 
 - New York  New York, McGraw Hill  2001 
 - 711p 
<br/><br/><label>ISBN: </label>0-07-137233-4 
<br/><br/><label>Source: </label>Textbook