Developing mathematical thinking :  a reader / 
edited by Ann Floyd. 
 - London :  Addison-Wesley in association with the Open University Press,  1981. 
 - ix,294p :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0201102374 :  £7.50 9780201102376 
<br/><br/><label>Nat. Bib. No.: </label>GB8339478  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical ability.
<br/><br/><label>Subjects--Index Terms: </label>Schools  Students  Mathematical skills  Psychological aspects