Sundhararajan, R <br/><br/>
Quality assurance / 
Dr. R Sundhararajan 
 - Lucknow:  Thakur Publications,   2021. 
 - 200 pages 
<br/><br/><label>ISBN: </label>9789389627909 
<br/><br/><label>Dewey Class. No.: </label>664.0685  / SUN/Q