Devasinghe, D.M.A. <br/><br/>
SCIENCE (G.C.E - O/L) :  Paper - 2 & Modal questions with Answers. 

 - 1st, ed. 
 - Colombo :  Samudra book publications, 
 - 128 p. 
<br/><br/><label>ISBN: </label>9789556800463 
<br/><br/><label>Dewey Class. No.: </label>500  / DEV