Piaget, Jean <br/><br/>
Child 's conception of geometry 

 - London  Kegan Paul, Trench, Trubner & Company Limited  1960 
 - vii,411  Hb 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>155.4