search query: @keyword energiankeräys / total: 11
references: 10-11 / 11
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title | year | author | ||
10. | 2011 | Lehtoniemi, Riku |
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11. | 2006 | Hirvonen, Mervi |
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INSSI
title | year | author | ||
10. | 2011 | Lehtoniemi, Riku |
||
11. | 2006 | Hirvonen, Mervi |