Acquisition of mathematics concepts and processes / 
edited by Richard Lesh, Marsha Landau. 
 - New York :  Academic Pressb  1983 
 - 408 pages 
 - Developmental Psychology Series .
<br/><br/> beight case studies 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>012444220X (alk. paper) 
<br/><br/><label>LCCN: </label>83002845  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - - Study and teaching (Elementary).--Psychological aspects
<br/><br/><label>LC Class. No.: </label>QA135.5  / .A27 1983 
<br/><br/><label>Dewey Class. No.: </label>