Copeland, Richard <br/><br/>
How Children Learn Mathematics :Teaching Implications of Piaget's Research 
By Richard W. Copeland 
 - London  Collier-MacMillan Ltd.  1970 
 - viii, 310 pages, 24 cm. 
<br/><br/> include index 
<br/><br/><label>Dewey Class. No.: </label>370.15/C79/c1