Adagama, Pandula <br/><br/>
පරිසරයයි - අප සැවොමයි 
 Parisarayayi-apa saevomayi 

 -  Central enviromental authority  1996 
 - 65p.,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology <br/>Environment
<br/><br/><label>Universal Decimal Class. No.: </label>581.52  / ADA