Piaget in the classroom / 
edited by Milton Schwebel & Jane Raph 
 - London :  Routledge & Kegan Paul,  1974 
 - 305 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>071007767X 
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean, 1896