Gupta,S P And Gupta Uma <br/><br/>
SANKHIYIKI KE SIDDHANT 

 - New Delhi  Sultan Chand & Sons  2007 
 - 710-A1-42 
<br/><br/><label>ISBN: </label>81-8054-523-7 
<br/><br/><label>Dewey Class. No.: </label>519.5H    P7