A parents' guide to school mathematics
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Cambridge, New York
Cambridge University Press
c1977.
|
| Cyfres: | School Mathematics Project handbooks
|
| Pynciau: |