Pyzdek, Thomas <br/><br/>
Six sigma handbook  A complete guide for green belts, black belts, and managers at all levels 

 - 5th 
 - Chennai  McGraw Hill  2021 
 - xiv, 706 
<br/><br/><label>ISBN: </label>9789354601965 
<br/><br/><label>Dewey Class. No.: </label>658.562 S21P