A history of elementary mathematics, with hints of methods of teaching
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York, New York
The Macmillan company
1953.
|
| Rhifyn: | Revised and enlarged edition. |
| Pynciau: |