Beard, Ruth Mary. <br/><br/>
Psicología evolutiva de Piaget  una síntesis para educadores 
Ruth M. Beard ; [traducción de María Celia Eguibar]. 
 - Buenos Aires  Kaapelusz  c1971. 
 - 127 p.  23 cm. 
<br/><br/> Translation of : An outline of Piaget's developmental psychology for students and teachers. 
<br/><br/>Bibliography: p. 123-127. 
<br/><br/><label>LCCN: </label>gar31000161  
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean, 1896-1980. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology
<br/><br/><label>LC Class. No.: </label>BF721  / .B3318 1971 
<br/><br/><label>Dewey Class. No.: </label>155.41/3/0924