Taneja Jai Dev Ed. <br/><br/>
Rakesh aur parivesh    Patron mein.      

 - New Delhi  Radha Krishna Prakashan      1995 
 - 783p  cm. 
<br/><br/><label>Standard No.: </label>51997 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>O152,4N25x, N5