Khurana,KJS <br/><br/>
Maths 18 days wonder 

 - 1st ed. 
 - New Delhi  S.chand pub.  2010 
 - 300p. 
<br/><br/><label>ISBN: </label>812193351 
<br/><br/><label>Dewey Class. No.: </label>510.76  K529M