Callan, S. J. <br/><br/>
Environmental Economics and management : theory, policy and applications / 
Callan, S. J. 
 - New Delhi:  Cengage Learning,  2000. 
 - xxxv, 588p.;26cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788131527641 
<br/><br/><label>Dewey Class. No.: </label>333.7 CAL