search query: @keyword economic feasibility / total: 3
references: 2-3 / 3
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title | year | author | ||
2. | 2014 | Ervasto, Markus |
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3. | 2010 | Lötjönen, Outi |
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title | year | author | ||
2. | 2014 | Ervasto, Markus |
||
3. | 2010 | Lötjönen, Outi |