English language proficiency and contextual factors influencing mathematics achievement of secondary school pupils in South Africa.
| Egile nagusia: | |
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| Egile korporatiboa: | , |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Enschede
PrintPartners
c2002.
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| Gaiak: |


