Srivastava, Smriti <br/><br/>
Environmental Science and Ethics 

 - 1st 
 - New Delhi  S.K. Kataria & Sons  2009 
 - 257p. 
<br/><br/><label>ISBN: </label>9789380027432 
<br/><br/><label>Dewey Class. No.: </label>363.7  / Sri-E