Fernando, W.O.T. <br/><br/>
Mathematics Grade -09. 

 - 1st Ed. 
 - Dehiwala :  Gihan Book Shop,  2018. 
 - 80 p. 
<br/><br/><label>ISBN: </label>9789555937627 
<br/><br/><label>Dewey Class. No.: </label>510  / FER