2024-04-102024-04-102017https://otos.stat.fi/handle/123456789/21710enCC BY 4.0vocational educationspecial supportspecial educationeducationstudentspupilscomprehensive schoolintensified supportSpecial education 2016Erityisopetus 2016Specialundervisning 2016URN:NBN:fi-fe20230917129262fulltext