Hussen, Ahmed M. <br/><br/>
Principles of environmental economics and sustainability  an integrated economic and ecological approach  
by Ahmed Hussen. 
 - 3rd ed. 
 - London  Routledge  2012 
<br/><br/><label>ISBN: </label>9780415676915 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental economics.; Ecology; Environmental policy
<br/><br/><label>Dewey Class. No.: </label>333.7  / HUS/P