Abegunawardane, Piyasena    <br/><br/>
Swabavika Sampath saha Parisara Arthika Viddyawa 

 - Kasbawa,  Imaduwage Creation,  2002, 
 - 350p.  23cm. 
<br/><br/><label>ISBN: </label>9559761307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/>Environmental Economics
<br/><br/><label>Dewey Class. No.: </label>504  / ABE