Ramakrishnan, P.S. <br/><br/>
Ecology and Sustaiable Development Working with Knowledge Systems  English 

 - First Print  Second Revised  2008 
 - New Dehli  NBT  2015 
 - 217 P  Paperback 
<br/><br/><label>ISBN: </label>9788123752570 
<br/><br/><label>Dewey Class. No.: </label>577.01