School organization and school achievement : a study based on achievement in mathematics in twelve countries /
Guardat en:
Autor principal: | |
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Format: | Llibre |
Idioma: | English |
Publicat: |
New York :
Wiley,
1967.
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Matèries: |
Taula de continguts:
- Data "collected by the International Project for the Evaluation of Educational Achievement (IEA)".