McNally, Douglas William <br/><br/>
Piaget, education and teaching / 
D. W. McNally 
 - Sussex :  New Educational Press,  1973 
 - 171 p., 2 leaves of plates :  ill. ;  23 cm. 
<br/><br/>p.158-162 
<br/><br/><label>ISBN: </label>0904025047 
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean, 1896 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect<br/>Cognition (Child psychology)