School organization and school achievement : a study based on achievement in mathematics in twelve countries /
Gorde:
Egile nagusia: | |
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Formatua: | Liburua |
Hizkuntza: | English |
Argitaratua: |
New York :
Wiley,
1967.
|
Gaiak: |
Aurkibidea:
- Data "collected by the International Project for the Evaluation of Educational Achievement (IEA)".