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| classificação de Dukes | |||
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| classificação de Walter Reed | |||
| ταξινόμηση κατά: 32 phrases in 11 subjects |
| Accounting | 2 |
| Agriculture | 5 |
| Chemistry | 1 |
| Economy | 2 |
| Fish farming pisciculture | 1 |
| General | 3 |
| Industry | 3 |
| Information technology | 9 |
| Medical | 2 |
| Statistics | 2 |
| Technology | 2 |