By Uberoi, N.K. <br/><br/>
Environmental studies 

 - 1st 
 - New Delhi  Excel Books  2007 
 - xiii; 206p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental pollution Social issues and the environment Natural resources
<br/><br/><label>Dewey Class. No.: </label>333.707  / UBE