Boden, Margaret A. <br/><br/>
Piaget / 
Margaret A. Boden 
 - Brighton, Sussex :  Harvester Press,  1979 
 - 174 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0855277289 
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean, 1896 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition in children