Developing thinking in algebra /
John Mason, with Alan Graham and Sue Johnston-Wilder.
- London : The Open University, 2005.
- xii, 324 p. : ill. ; 25 cm.
Includes index.
Includes bibliographical references.
9781412911719 (pbk.)
Algebra--Study and teaching (Elementary)--Great Britain. Algebra--Study and teaching (Secondary)--Great Britain.