Piaget, Jean, <br/><br/>
The Child's Conception of Geometry : 

 -  Psychology Press,  1999. 
 - 411 pages 
<br/><br/><label>ISBN: </label>9780415209991 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology.
<br/><br/><label>Dewey Class. No.: </label>516  / PIA