| Titel | Art | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|---|
| Early Algebra: Research into its Nature, its Learning, its Teaching | Taschenbuch | 978-3-319-32257-5 (3-319-32257-5) | 2016 |
| Teaching and Learning Algebraic Thinking with 5- to 12-Year-Olds: The Global Evolution of an Emerging Field of Research and Practice | " | 978-3-319-88586-5 (3-319-88586-3) | 2018 |
| Teaching and Learning Algebraic Thinking with 5- to 12-Year-Olds: The Global Evolution of an Emerging Field of Research and Practice | Gebunden | 978-3-319-68350-8 (3-319-68350-0) | 2017 |