 |
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| regra dos 30 anos | |||
| κανόνας των: 63 phrases in 18 subjects |
| Agriculture | 2 |
| Commerce | 1 |
| Communications | 1 |
| Cultural studies | 2 |
| Earth sciences | 4 |
| Economy | 2 |
| Electronics | 3 |
| Finances | 7 |
| Fish farming pisciculture | 1 |
| General | 2 |
| Information technology | 3 |
| Insurance | 1 |
| Law | 7 |
| Marketing | 2 |
| Medical | 9 |
| Statistics | 12 |
| Taxes | 2 |
| Transport | 2 |