2024-04-102024-04-102018https://otos.stat.fi/handle/123456789/21711enCC BY 4.0vocational educationspecial supportspecial educationeducationstudentspupilscomprehensive schoolintensified supportSpecial education 2017Erityisopetus 2017Specialundervisning 2017URN:NBN:fi-fe20230917129263fulltext