G.C.E (O/L) Physics. 

 - 1st Ed. 
 - Kelaniya :   Master Guide Publications (Pvt) Ltd,   2012. 
 - iv, 88 P. 
<br/><br/><label>ISBN: </label>9789556641684 
<br/><br/><label>Dewey Class. No.: </label>530  / PHY