Kumar, Arvind <br/><br/>
Environmetal awareness 

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 - Delhi  Daya Publishing  2008 
 - xi,581p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>9788170355403 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Environmental awareness 
<br/><br/><label>Dewey Class. No.: </label>502.12