Natural resource and environmental economics / 
Roger Perman ... [et al.]. 
 - 4th ed. 
 - Harlow, Essex :  Pearson Education,  c2011. 
 - xxx, 712 p. :  ill. ;  25 cm. 
<br/><br/>Prev. ed. entered under author : Perman, Roger, 1949- 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>978-321417534 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental economics.<br/>Natural resources Management. <br/>Sustainable development.
<br/><br/><label>LC Class. No.: </label>HC79  / .N37 2011