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

 - New Delhi  Ashish Pub.  1988 
 - 247 p. 
<br/><br/><label>ISBN: </label>8170242061 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Method of studies
<br/><br/><label>Dewey Class. No.: </label>372.357 ROU