Tripathi Durgesh <br/><br/>
Paryavaran, apda prabandhan evam media. 

 - Delhi  Sunrise Publications        2008 
 - 204p.  cm. 
<br/><br/><label>Standard No.: </label>108074 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>4:(G:55), P8