A Research Companion to Principles and Standards for School Mathematics Jeremy Kilpatrick W. Gary Martin Deborah Schifter
| Autor: | Hohensee, Patricia |
|---|---|
| Zdroj: | Teaching Children Mathematics, 2004 Feb 01. 10(6), 334-335. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|