Gurjar Ram Kumar <br/><br/>
Paryavaran prabhandh avem vikas. 

 - Jaipur  Pointer Publishers        1992 
 - xi,290p.  cm. 
<br/><br/><label>Standard No.: </label>60527 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:55, N2