Rout Pravakar <br/><br/>
Environmental concept development in children 

 - New Delhi, India  Ashish Publishing House  1988 
 - xxix,250p. 
<br/><br/><label>ISBN: </label>81-7024-206-1 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Education