search query: @keyword normi / total: 4
references: 2-4 / 4
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title | year | author | ||
2. | 2009 | Perkkiö, Harri |
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3. | 2009 | Simola, Aino |
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4. | 2005 | Chitt, Otto |
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INSSI
title | year | author | ||
2. | 2009 | Perkkiö, Harri |
||
3. | 2009 | Simola, Aino |
||
4. | 2005 | Chitt, Otto |