Niitamo, O. E.Laihonen, ATiihonen, P2021-03-232024-03-062021-03-232024-03-061981951-46-5965-1https://otos.stat.fi/handle/123456789/86176encc by 4.0tilastotsuunnitelmatLong-term planning in the Central Statistical Office of FinlandURN:ISBN:951-46-5965-1metadataOnlyfalseTutkimuksia, Working Papers