Chowdhury, Subir <br/><br/>
The power of six sigma / 
Subir Chowdhury 
 - New Delhi:  Pearson Education  2001 
 - xxii, 128p.; 
<br/><br/><label>ISBN: </label>9 798178 084397 
<br/><br/><label>Dewey Class. No.: </label>360  / CHO