Sugunthan, Yogenthiri. <br/><br/>
Grade - 11 :  Questions papers. 

 - 1st, ed. 
 - colombo :  Lanka Book Depot, 
 - 248 p. 
<br/><br/><label>ISBN: </label>9789557050621 
<br/><br/><label>Dewey Class. No.: </label>500  / sug