Piaget, Jean,  1896- <br/><br/>
Psychology and epistemology 
towards a theory of knowledge / Jean Piaget ; translated by P. A. wells. 
 - Viking Compass ed. 
 - Harmondsworth, Middlesex  Penguin University Books  1972 
 - 107 p. ; 20 cm. 
<br/><br/> Includes index. 
<br/><br/><br/>engfre 
<br/><br/><label>LCCN: </label>wl-n80-055934 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition in children<br/>Cognition<br/>Knowledge, Theory of