Letters
| Autor: | Jackman, Tom, Burn, Bob |
|---|---|
| Zdroj: | Mathematics in School, 2005 Jan 01. 34(1), 35-36. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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| Autor: | Jackman, Tom, Burn, Bob |
|---|---|
| Zdroj: | Mathematics in School, 2005 Jan 01. 34(1), 35-36. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|