Children's knowledge bank 

 - New Delhi  Pustak mahal  2010 
 - 192 p. : col. ill 
<br/><br/><label>ISBN: </label>9788122309881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge
<br/><br/><label>Dewey Class. No.: </label>001 CHI