Sugunthan, Yogenthiri. <br/><br/>
SCIENCE - GRADE 11. 

 - 1st Ed. 
 - Colombo :   Lanka Book Depot (PVT) Ltd, 
 - vo-2(264 P.) 
<br/><br/><label>ISBN: </label>9789557051123 
<br/><br/><label>Dewey Class. No.: </label>500  / SUG