PURKAYASTHA , GAUTAM . <br/><br/>
ENVIRONMENTAL ECONOMICS THEORY , PROBLEMS & SOLUTIONS 

 - NEW DELHI:  KALYANI PUBLISHERS,  2008. 
 - 318:  21CM. 
<br/><br/><label>Subjects--Index Terms: </label>Economics ofland & energy 
<br/><br/><label>Dewey Class. No.: </label>333 PUR