Balasubramanya, N. <br/><br/>
Environmental studies 

 - Mumbai  Himalaya Publishing House  2009 
 - 232p. 
<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 BAL