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| Eficiência | |||
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| eficácia económica; eficiência económica | |||
| eficiência | |||
| Efficience: 34 phrases in 12 subjects |
| Agriculture | 1 |
| Earth sciences | 2 |
| Economy | 3 |
| Environment | 2 |
| Finances | 5 |
| General | 1 |
| Information technology | 1 |
| International Monetary Fund | 11 |
| Law | 1 |
| Mathematics | 3 |
| Statistics | 3 |
| Transport | 1 |