THE MODERNIZATION OF ARITHMETIC—(I)
| Autor: | STONE, JOHN C. |
|---|---|
| Zdroj: | The Journal of Education, 1913 Nov . 7820 (1956), 541-549. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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| Autor: | STONE, JOHN C. |
|---|---|
| Zdroj: | The Journal of Education, 1913 Nov . 7820 (1956), 541-549. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|