J. Sithamparanathan <br/><br/>
Ecosystem Principles and Sustainable Agriculture 

 - Chennai  Scitech Publications  1999 
 - 365p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-87328-20-7 
<br/><br/><label>Dewey Class. No.: </label>630  / SIT