Readers' Dialogue
| Autor: | Schmidt, Mathilde, Marra, Joseph P., Copeland, Richard W. |
|---|---|
| Zdroj: | The Arithmetic Teacher, 1972 Dec 01. 19(8), 616-647. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|
| Autor: | Schmidt, Mathilde, Marra, Joseph P., Copeland, Richard W. |
|---|---|
| Zdroj: | The Arithmetic Teacher, 1972 Dec 01. 19(8), 616-647. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|