Deswal, S., <br/><br/>
Environmental studies 
by S. Deswal 
 - 1st. 
 - Delhi:  Dhanpat rai & co.,  20014. 
 - xv; 7.36p:  23cm. 
<br/><br/><label>Subjects--Index Terms: </label>Environmental economics 
<br/><br/><label>Dewey Class. No.: </label>363.7