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| 2009 | ||
|---|---|---|
| 1 | Gustavo Santos, Iris K. Howley, Brad Copenhaver, Vincent Aleven: Integrating Conceptual and Procedural Knowledge for Middle-school Math. AIED 2009: 787-788 | |
| 1 | Vincent Aleven | [1] |
| 2 | Iris K. Howley | [1] |
| 3 | Gustavo Santos | [1] |
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