OPEN University of Sri Lanka <br/><br/>
Course of study leading to the degree of bachelor of science- level 4: guide to 

 - Nugegoda  The Open University of Sri Lanka  1986 
 - 101 p. 
<br/><br/><label>ISBN: </label>139512 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530  / OPE