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Training of technical and scientific staff : measures to increase facilities ; a comparative study.
- 370.7 I61217
- International Bureau of Education
- UNESCO,
- 1959.
- Paris :
-
Les insuccès scolaires : diagnostic et redressement / par André Le Gall.
- 034.1 L4969 1959
- Le Gall, André, 1904-
- Presses Universitaires de France,
- 1959.
- Paris :