Sahu, D. D. <br/><br/>
Sustainable environmental science 

 - New Delhi  New India Publishing Agency  2012 
 - 191p. 
<br/><br/><label>ISBN: </label> RS 550.00 
<br/><br/><label>Source: </label> RS 550.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 SAH