Ramakrishna Reddy, R. <br/><br/>
Naveena viswaroopa silpi Stephen Hawking 

 - Hyderabad  Visalandhra Pbulishing House  2011 
 - 73p. 
<br/><br/><label>ISBN: </label> RS 35.00 
<br/><br/><label>Source: </label> RS 35.00