2024-04-102024-04-102011https://otos.stat.fi/handle/123456789/24824enCC BY 4.0discontinuation of studieseducationeducational institutionsschool drop-outsstudentsDiscontinuation of education 2009Koulutuksen keskeyttäminen 2009Avbrott i utbildningen 2009URN:NBN:fi-fe20230913124101fulltext