The development of mathematical activity in children the place of the problem in this development
| Údair chorparáideacha: | , |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Nelson (Lancs.)
Association of Teachers of Mathematics
c1966.
|
| Ábhair: |