search query: @keyword differentiation / total: 9
references: 6-9 / 9
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title | year | author | ||
6. | 2005 | Koskenkylä, Juha |
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7. | 2003 | Antila, Johanna |
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8. | 2002 | Bergholm, Antti |
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9. | 1998 | Talvitie, Hanna |
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