Purkayastha Gautam <br/><br/>
Environmental economics  theory, problems and solutions 
by Gautam purkayastha 
 - 6th ed. 
 - New Delhi  Kalyani publishers  2021 
<br/><br/><label>ISBN: </label>9789390522132 
<br/><br/><label>Dewey Class. No.: </label>333.7