Blueprint for ratio and scale
| Autor: | COPPEL, ARLENE COHEN |
|---|---|
| Zdroj: | The Arithmetic Teacher, 1977 Feb 01. 24(2), 125-126. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|
| Autor: | COPPEL, ARLENE COHEN |
|---|---|
| Zdroj: | The Arithmetic Teacher, 1977 Feb 01. 24(2), 125-126. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|