TY  - BOOK
AU  - Mason, John , 1944-
AU  - Graham, Alan , 1947-
AU  - Johnston-Wilder, Sue
TI  - Developing thinking in algebra
SN  - 1412911702
AV  - QA159.M37 2005 
PB  - Open University
KW  - Algebra - Study and teaching (Elementary) - Great Britain
KW  - Algebra - Study and teaching (Secondary) - Great Britain
KW  - QA
N1  - Published by open University in association with Paul Chapman - t.p; Includes bibliographical references (p. [316]-319) and index
ER  -