P.D. Sharma <br/><br/>
Ecology and environment 

 - 7th Ed 
 - Meerut  Rastogi Publications  2003 
 - 660p 
<br/><br/>P.D. Sharma: Ecology and environment.  (7th Ed)  Meerut.  Rastogi Publications, 2003. 81-7133-645-0 Rs. 180.00--(574.5SHA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-7133-645-0 
<br/><br/><label>Dewey Class. No.: </label>574.5  / SHA