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études et recherches |
research studies : 17 phrases in 12 subjects |
Economy | 1 |
Education | 3 |
Environment | 1 |
Fish farming pisciculture | 1 |
General | 1 |
Health care | 2 |
Hobbies and pastimes | 1 |
Industry | 1 |
Law | 1 |
Natural sciences | 1 |
Patents | 3 |
Research and development | 1 |