Multiplication drill for levels 3-5
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Belmont, Calif.
David S. Lake Publishers
c1982.
|
| Cyfres: | A learning workbooks : Mathematics
[v.5] |
| Pynciau: |