GRADE 11 - MATHEMATICS. 

 - 3rd Ed. 
 - Kelaniya :   Master Guide Publications (Pvt) Ltd,   2019. 
 - vo-1(241 P.), vo-2(263 P.), vo-3(231 P.) 
<br/><br/><label>ISBN: </label>9789556643107 
<br/><br/><label>Dewey Class. No.: </label>510  / MAT