The open university <br/><br/>
Science    a second level course  discovering physics    unit 6,'7 

 - Keynes  The Open University of Sri Lanka  1994 
 - 97p.  30cm. 
<br/><br/><label>ISBN: </label>074925131X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530  / OPE