Copeland, Richard W. <br/><br/>
How children learn mathematics :  teaching implications of Piaget's research / 
Richard W. Copeland. 
 - 3rd ed. 
 - New York :  Macmillan,  c1979. 
 - vii, 419 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0023247800 
<br/><br/><label>LCCN: </label>92033059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary).