Khan, Ahmedullah <br/><br/>
Textbook of environmental studies 

 - Jaipur  ABD Publishers  2006 
 - 381p. 
<br/><br/><label>ISBN: </label> RS 995.00 
<br/><br/><label>Source: </label> RS 995.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 KHA