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| demostración comunitaria | |||
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Community demonstration : 18 phrases in 8 subjects |
| Environment | 1 |
| General | 4 |
| Human rights activism | 1 |
| Law | 2 |
| Materials science | 1 |
| Natural sciences | 1 |
| Research and development | 5 |
| Social science | 3 |
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