| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| International Handbook of Mathematics Education | 978-0-7923-3533-7 (0-7923-3533-3) | 1997 | A.J. Bishop · M.A. (Ken) Clements · Jeremy Kilpatrick · Colette Laborde |
| Second International Handbook of Mathematics Education | 978-1-4020-1008-8 (1-4020-1008-7) | 2003 | A.J. Bishop · M.A. (Ken) Clements · Jeremy Kilpatrick · Frederick K.S. Leung |
C. Keitel · Christian Keathley · Christian Keitel · Christian Keydel · Christian Kittl