Chalapathi, R S. <br/><br/>
Six sigma tool master : a practical guide to green belts and black belts 

 - 1st ed. 
 - Noida  Istitute of sigma learning  2005 
 - xiv+162 
<br/><br/> E-509 
<br/><br/><label>ISBN: </label>8190274511 
<br/><br/><label>Dewey Class. No.: </label>658  CHA;1  R