Vyas H. C. <br/><br/>
Manav aur paryavaran 

 - New Delhi, India  Vidya Vihar   1995 
 - 112p. 
<br/><br/><label>ISBN: </label>81-85828-01-6 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Education