2024-04-102024-04-102013https://otos.stat.fi/handle/123456789/28326enCC BY 4.0adult educationeducationeducational institutionsstudentsAdult education of educational institutions 2012Oppilaitosten aikuiskoulutus 2012Vuxenutbildning vid läroanstalter 2012URN:NBN:fi-fe20230917129222fulltext