search query: @instructor Pulkkila, Tarmo / total: 3
references: 1-3 / 3
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| title | year | author | ||
| 1. | 1994 | Kankkunen, A. Kenneth W. |
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| 2. | 1980 | Koponen, Riitta |
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| 3. | 1979 | Jantunen, Erkki |
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