2024-04-102024-04-102019https://otos.stat.fi/handle/123456789/21712enCC BY 4.0vocational educationspecial supportspecial educationeducationstudentspupilscomprehensive schoolintensified supportSpecial education 2018Erityisopetus 2018Specialundervisning 2018URN:NBN:fi-fe20230917129264fulltext