School organization and school achievement : a study based on achievement in mathematics in twelve countries /
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1. autor: | |
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Format: | Książka |
Język: | English |
Wydane: |
New York :
Wiley,
1967.
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Hasła przedmiotowe: |
Spis treści:
- Data "collected by the International Project for the Evaluation of Educational Achievement (IEA)".