Copeland, Richrad W. <br/><br/>
How children learn mathematics :  teaching implications of Piaget's research. / 
by Richard W. Copeland. 
 - third edition. 
 - New York :  Macmillan,  1979. 
 - vii, 419 pages illustrations. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0023247800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Mathematics--Study and teaching (Elementary)