Prabhakar Rao, P. G. P. <br/><br/>
Ruju beeja ganithamu 

 - 2nd Edition 
 - Hyderabad  Telugu Akademi  1976 
 - 495p. 
<br/><br/><label>ISBN: </label> RS 18.00 
<br/><br/><label>Source: </label> RS 18.00 
<br/><br/><label>Dewey Class. No.: </label>512.5 PRA