Viva math lab workbook, Book7 

 -  Viva Books Pvt. Ltd., New Delhi  2005 
 - 92 
<br/><br/><label>ISBN: </label>8183270379 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Study and Teaching-Manuals
<br/><br/><label>Dewey Class. No.: </label>510.76  VIV.7