Cognitive development :  research based on a Neo-Piagetian approach / 
edited by J. A. Keats, K. F. Collis and G. S. Halford 
 - New York :  John Wiley,  1978 
 - xx, 458 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0471995053 :  USD 34.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition in children
<br/><br/><label>Dewey Class. No.: </label>136.7