Discussions on child development: a consideration of the biological psychological and cultural approaches to the understanding of human development and behaviour 

 - New York  International Universities Press  1956-60 
 - 240 p.  Vol.1 
 - Social science paperbaks .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child study - Congresses.
<br/><br/><label>Dewey Class. No.: </label>136.7