Iyer, Vijayalakshmi <br/><br/>
Quiz on environment 

 - Gnosis Publication  Delhi  2007 
 - viii,176 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>81-89012-37-1 
<br/><br/><label>Dewey Class. No.: </label>910  / Iye