Singh, J.S. <br/><br/>
Ecology Environment and Resourse Conservation. 

 - New Delhi  Anamaya Pub.  2010 
 - 688 p. 
<br/><br/><label>ISBN: </label>81-88342-55-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botnay
<br/><br/><label>Dewey Class. No.: </label>577