De Silva, nadeeka. <br/><br/>
G.C.E.(O/L) Mathematics :  English Medium (Revision Guide 01 Grade 10/11). 

 - 1st Ed. 
 - Rajagiriya :  Author Publication,  2018. 
 - 73 P. 
<br/><br/><label>ISBN: </label>9789559710240 
<br/><br/><label>Dewey Class. No.: </label>510  / DES