Piyadigama, Nevil., ed. <br/><br/>
JAYALA 

 - Battaramauula  Sri Lanka UNESCO Jathika Mandalaya  1997 
 - 63 p. 
<br/><br/><label>ISBN: </label>9559043315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>363.7  / JAY