Jean Piaget <br/><br/>
Six Psychological Studies 

 - London  University of London Press.  1968 
 - 166p  21cm 
<br/><br/> Translation from the Frensh by :Anita Tenzer.<br/>Original name:Six études de Psychologie. 
<br/><br/><label>ISBN: </label>340095571 
<br/><br/><label>LCCN: </label>6611990 
<br/><br/><label>Dewey Class. No.: </label>155.41 P579si