Surender Deswal and Anupama Deswal <br/><br/>
A Basic Course in Environmental Studies 

 - 2nd Rev.ed. 
 - New Delhi:  Dhanpat Rai & Co. (Pvt.) Ltd.,  2013 
 - 493 Pages 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HUMANITIES & SCIENCE
<br/><br/><label>Dewey Class. No.: </label>577  / DES/S 1