IYER , VIJAYA LAKSHMI . <br/><br/>
QUIZ ON ENVIRONMENT  

 - DELHI:  GNOSIS PUB. OF EDUCATION,  2007. 
 - 176:  20CM. 
<br/><br/><label>Subjects--Index Terms: </label>Knowledge 
<br/><br/><label>Dewey Class. No.: </label>001 IYE