Gupta, S. K. <br/><br/>
Secondary school mathematics / 

 - New Delhi,  S. Chand & Company Ltd.,  c1985. 
 - 570p. ;  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>LC Class. No.: </label>1782 
<br/><br/><label>Dewey Class. No.: </label>510