2024-04-102024-04-102013https://otos.stat.fi/handle/123456789/21706enCC BY 4.0vocational educationspecial supportspecial educationeducationstudentspupilscomprehensive schoolintensified supportSpecial education 2012Erityisopetus 2012Specialundervisning 2012URN:NBN:fi-fe20230917129258fulltext