Vyas, Shyam Manohar <br/><br/>
Paryavaran vishwakosh (Hindi) 
by Shyam Manohar Vyas 
 - Jaipur  University Book House  1994 
 - 35p. 
<br/><br/><label>ISBN: </label>8185488339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia-environment