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| reference (A statement of the qualifications of an applicant made by a person who knows the applicant); source of lead (The source of an account, business contact, or opportunity; for example, an advertisement or personal reference) | |||
| referencia: 30 phrases in 11 subjects |
| Agriculture | 2 |
| Earth sciences | 2 |
| Electronics | 2 |
| Environment | 3 |
| Finances | 4 |
| General | 5 |
| Information technology | 1 |
| Law | 2 |
| Microsoft | 4 |
| Statistics | 4 |
| Technology | 1 |