P.R. Trivedi <br/><br/>
Environmental education 

 - New Delhi  APH Publishing Corporation  2004 
 - 201p 
<br/><br/>P.R. Trivedi: Environmental education.  New Delhi.  APH Publishing Corporation, 2004.--(363.70071TRI)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>363.70071  / TRI