Jayaweera <br/><br/>
Physics gr 11 (Work book) 
Upali Jayaweera 
 - Kuliyapitiya  Samudra book publications  2014 
 - 83 
<br/><br/><label>ISBN: </label>9789556803563 
<br/><br/><label>Dewey Class. No.: </label>530  / JAY