khan, ahmed <br/><br/>
a textbook of environmental studies   

 - 1 
 - jaipur   abd publishers  2006 
 - 381p 
<br/><br/> Available 
<br/><br/><label>ISBN: </label>81 8376 053 8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ecology, environment, Ugcd
<br/><br/><label>Dewey Class. No.: </label>574.5 kha-tex