The teaching of arithmetic.
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English |
| Publié: |
New York
Appleton-Century-Crofts, Inc.
1934
|
| Édition: | 2nd ed. |
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English |
| Publié: |
New York
Appleton-Century-Crofts, Inc.
1934
|
| Édition: | 2nd ed. |