search query: @keyword ympäristöystävällisyys / total: 10
references: 9-10 / 10
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title | year | author | ||
9. | 2008 | Naumanen, Jussi |
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10. | 2000 | Aapola, Adalbert |
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INSSI
title | year | author | ||
9. | 2008 | Naumanen, Jussi |
||
10. | 2000 | Aapola, Adalbert |