Beard, Ruth Mary. <br/><br/>
Outline of Piaget's developmental psychology for students and teachers. 
Ruth M Beard. 
 - London :  Routledge & Kegan Paul,  1970. 
 - 128 p.: 
<br/><br/>Bibliography: p. 123-128. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology.
<br/><br/><label>Dewey Class. No.: </label>155.143  / BEA/O