search query: @keyword certification / total: 11
references: 10-11 / 11
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| title | year | author | ||
| 10. | 1995 | Rautakorpi, Mika |
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| 11. | 1995 | Sjöblom, Johan |
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INSSI
| title | year | author | ||
| 10. | 1995 | Rautakorpi, Mika |
||
| 11. | 1995 | Sjöblom, Johan |