Liyanage, M. De S. <br/><br/>
Proceedings of the Third Academic Sessions University of Ruhuna, 30th January - 2006 

 - Matara  University of Ruhuna  2006 
 - [10],254 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ACADEMIC SESSIONS<br/>PROCEEDINGS<br/>RUHUNA UNIVERSITY