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

 - New Delhi  Ashish Publishing House  1988 
 - xxix, 247p. 
<br/><br/><label>ISBN: </label>8170242061 
<br/><br/><label>Subjects--Index Terms: </label>Environmental awareness 
<br/><br/><label>Universal Decimal Class. No.: </label>349.6(540):502.12  / ROU'88