| Margaret Rathouz - Vol. 30 Num. 1 (2010) | ||
| Ambiguity in units and the referents: two cases in rational number operations ABSTRACT | 44-52 | |
for the learning of mathematics
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| Margaret Rathouz - Vol. 30 Num. 1 (2010) | ||
| Ambiguity in units and the referents: two cases in rational number operations ABSTRACT | 44-52 | |