Chowdhury, Subir <br/><br/>
The Power of six sigma 
Subir Chowdhury; Subir Chowdhury. 
 - Delhi  Pearson education Asia  2001 
 - xxii, 128p., 22cm. 
<br/><br/><label>ISBN: </label>81-7808-437-6. 
<br/><br/><label>Dewey Class. No.: </label>658.4012  / C33P