Beard, Ruth Mary <br/><br/>
An outline of Piaget's development psychology for students and teachers / 
by Ruth M. Beard. 
 - New York :  Basic Books,  1969. 
 - xvi, 139 p.;  22 cm. 
<br/><br/>Bibliography: p. 123-128 
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean , 1896
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child study
<br/><br/><label>LC Class. No.: </label>BF 721  / .B33