Reys, Robert E. <br/><br/>
Helping children learn mathematics  [Book /] 
Robert E. Reys ... [et al.]. 
 - 5th ed. 
 - New York :  John Wiley & Sons,  1999. 
 - x, 390 p. :  ill. ;  28cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>047136536X 
<br/><br/><label>LCCN: </label>97015924  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary).
<br/><br/><label>LC Class. No.: </label>QA135.5  / .H36 1999 QA135.5  / .R49 1998 
<br/><br/><label>Dewey Class. No.: </label>372.7044