INTERNATIONAL Symposium on "Environment management and plann <br/><br/>
Environment management and planning 2015 

 - Battaramulla  Central Environmental Authority  2015 
 - xxiii, 55 p. 
<br/><br/><label>ISBN: </label>208124 
<br/><br/><label>Dewey Class. No.: </label>333.7  / INT