Ramakrishnan P.S. <br/><br/>
Ecology and Sustainable Development : Working with Knowledge Systems 

 - India  National Book Trust  2013 
 - 217p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-237-5257-0 
<br/><br/><label>Dewey Class. No.: </label>440  / RAM