Dienes, Z.P. <br/><br/>
The Power of Mathematics : A study of the transition from the constructive to the analytical phase of mathematical thinking in children 

 - London :  Hutchinson Educational,  1964. 
 - 176p.;  20cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / DIE