School organization and student achievement. A study based on achievement in mathematics in twelve countries.
| Hovedforfatter: | |
|---|---|
| Format: | Bog |
| Sprog: | English |
| Udgivet: |
New York
J. Wiley
c1967.
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| Fag: |
| Hovedforfatter: | |
|---|---|
| Format: | Bog |
| Sprog: | English |
| Udgivet: |
New York
J. Wiley
c1967.
|
| Fag: |