Rout, Pravakar <br/><br/>
Environmental Concept Development in Children 

 - New Delhi  Ashish Publishing House  1988 
 - 247 
<br/><br/><label>ISBN: </label>8170242061 
<br/><br/><label>Publisher. No.: </label> Bangalore Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science