2024-04-102024-04-102016https://otos.stat.fi/handle/123456789/28329enCC BY 4.0adult educationeducationeducational institutionsstudentsAdult education of educational institutions 2015Oppilaitosten aikuiskoulutus 2015Vuxenutbildning vid läroanstalter 2015URN:NBN:fi-fe20230917129225fulltext