Jayatissa, L. P <br/><br/>
Proceedings of the Fourth Science Symposium, September - 2006 

 - Matara  Faculty of Science, University of Ruhuna  2006 
 - [4],31 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PROCEEDINGS<br/>RUHUNA UNIVERSITY<br/>SCIENCE SYMPOSIUM