P.R. Trivedi <br/><br/>
Ecology and Environment 

 - New Delhi  A.P.H. Publishing Corporation  2009 
 - 200p 
<br/><br/>P.R. Trivedi: Ecology and Environment.  New Delhi.  A.P.H. Publishing Corporation, 2009. 81-7648-532-2 Rs. 495.00--(574.5TRI)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-7648-532-2 
<br/><br/><label>Dewey Class. No.: </label>574.5  / TRI