search query: @keyword operating costs / total: 3
references: 2-3 / 3
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title | year | author | ||
2. | 2012 | Väisänen, Pauliina |
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3. | 2005 | Ranta-Pere, Tuomas |
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title | year | author | ||
2. | 2012 | Väisänen, Pauliina |
||
3. | 2005 | Ranta-Pere, Tuomas |