Hussen Ahmed M <br/><br/>
Principles of environmental economics. 
Hussen Ahmed M 
 - London  Routledgr         2004 
 - xxvii,344p  cm. 
<br/><br/><label>Standard No.: </label>35669 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:(G:55), P4