Thatheyus,A.Joseph <br/><br/>
Textbook of environmental studies / 
Thatheyus,A.Joseph. 
 - New Delhi:  Narosa Publishing House,  2011. 
 - ix,9.4p.;24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788184870947 
<br/><br/><label>Dewey Class. No.: </label>577 THA