2024-04-102024-04-102016https://otos.stat.fi/handle/123456789/21709enCC BY 4.0vocational educationspecial supportspecial educationeducationstudentspupilscomprehensive schoolintensified supportSpecial education 2015Erityisopetus 2015Specialundervisning 2015URN:NBN:fi-fe20230917129261fulltext