Environmental science:   glossary of technical terms English-Sinhala 

 - Colombo  Department of Official Languages  2007 
 - 104p.  21cm. 
<br/><br/><label>ISBN: </label>9789559180128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Glossary
<br/><br/><label>Dewey Class. No.: </label>577.03  / ENV