Journal of the national science foundation of Sri Lanka  September 2013 

 - Colombo  National Science Foundation of Sri Lanka  2013 
 - 173-270,[4] p.  Illustration 
 - Journal of the national science foundation of Sri Lanka  Vol. 41 .
<br/><br/><label>ISBN: </label>13914588 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX 534<br/>NATIONAL SCIENCE FOUNDATION<br/>RESEARCH ARTICLES
<br/><br/><label>Dewey Class. No.: </label>B0534  / LDC