| Value | Category |
|---|---|
| -9 | dk |
| 1 | In-house R&D and personne |
| 2 | Recent hires from other firms |
| 3 | Knowledge from parent or another firm |
| 4 | Suppliers |
| 5 | Consultancy firms |
| 6 | Business associations and conferences/exhibits |
| 7 | Professional journals and trade publications |
| 8 | Products or services available in the market |
| 9 | Government ministries or programs |
| 10 | Universities and research institutes |
| 11 | Internet |
| 12 | Customer feedback |