2024-04-102024-04-102011https://otos.stat.fi/handle/123456789/21704enCC BY 4.0vocational educationspecial supportspecial educationeducationstudentspupilscomprehensive schoolintensified supportSpecial education 2010Erityisopetus 2010Specialundervisning 2010URN:NBN:fi-fe20230917129256fulltext