| Physical Description |
27 lehteä |
|---|---|
| Language |
Finnish |
| Publisher |
Oulu :
[R. Heikkinen],
1987.
|
| Dissertation Note | Erikoistyö : Oulun yliopisto, Kasvatustieteiden tiedekunta, 1987 |
| Additional Information | Reijo Heikkinen |
| Get full text | |
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