2024-04-102024-04-102010https://otos.stat.fi/handle/123456789/28323enCC BY 4.0adult educationeducationeducational institutionsstudentsAdult education of educational institutions 2009Oppilaitosten aikuiskoulutus 2009Vuxenutbildning vid läroanstalter 2009URN:NBN:fi-fe20230917129219fulltext