Langford, Peter <br/><br/>
El desarrollo del pensamiento conceptual en la escuela primaria 
Peter Langford ; translated by Isidro Arias. 
 - Barcelona, España  Ediciones Paidós  c1989. 
 - 158 p.  ill. 
<br/><br/> Translation of : Concept development in the primary scholl.  Includes index. 
<br/><br/>Bibliography: p. 129-154. 
<br/><br/><label>ISBN: </label>847509516X 
<br/><br/><label>LCCN: </label>buc91000202   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking--Study and teaching (Primary).<br/>Child psychology<br/>Cognition in children
<br/><br/><label>LC Class. No.: </label>LB1062  / .L3518 1989 
<br/><br/><label>Dewey Class. No.: </label>370.15/2