Dienes,Z.P. <br/><br/>
Building Up Mathematics 

 - 2nd ed.; 
 - London:  Hutchinson Education,  1960. 
 - 206p.;  18 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Basic Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / DIE