2024-04-102024-04-102008978-952-467-956-5https://otos.stat.fi/handle/123456789/20325enCC BY 4.0adult educationvocational adult educationvocational educationpersonnel trainingself-directed studieslanguage skillseducationother education than that leading to a qualificationinformation technologyeducation leading to a qualificationURN:ISBN:978-952-467-956-5fulltext