Environmental science   :glossary of technical terms English - Sinhala 

 - Rajagiriya  Department of Official Languages, Sri Lanka  2007 
 - 	104 p. 
<br/><br/><label>ISBN: </label>9789559180128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment science- glossary
<br/><br/><label>Dewey Class. No.: </label>333.703  / ENV