Gupta, S.K. <br/><br/>
Senior Secondary Maths-XII (Part-B) 

 - 4th 
 - New Delhi  S.Chand & Company   2000 
 - 416p. 
<br/><br/><label>ISBN: </label>9788121919197 
<br/><br/><label>Dewey Class. No.: </label>511