search query: @keyword kannattavuus / total: 66
references: 65-66 / 66
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title | year | author | ||
65. | 1992 | Pirskanen, Ilkka |
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66. | 1982 | Peltola, Esa |
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INSSI
title | year | author | ||
65. | 1992 | Pirskanen, Ilkka |
||
66. | 1982 | Peltola, Esa |