Dass, H.K <br/><br/>
Mathematics for Class X 
Dass, H.K and Rama Verma. 
 - 6th Rev ed. 
 -  S.Chand School Books  2016 
 - 843 pages 
<br/><br/><label>ISBN: </label>9789384857899 
<br/><br/><label>Dewey Class. No.: </label>510  / DAS