Hussen Ahmed M <br/><br/>
Principles Of Environmental Economics :  Economics Ecology And Public Policy/ 

 - London :   Routledge :  1999. 
 - 431p  23cm. 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>415195713 
<br/><br/><label>LC Class. No.: </label>HC79 HUS 1999