![no cover found](https://literarybibliography.eu/themes/default/images/no_cover.png)
by:
Maljojoki, Pentti
In: Aikuiskasvatus. - ISSN 0358-6197. - 17(1997) : 3, s.231-233
Journal article
In: Aikuiskasvatus. - ISSN 0358-6197. - 17(1997) : 3, s.231-233
Journal article