References
- Koskiaho , Brita . Elintason osatekijöiden kasautumisesta ja elintasoon vaikuttavista tekijöista Länsi-Euroopassa , On the Accumulation of the Standard of Living and Factors Affecting the Standard of Living in Western Europe .
- Salavuo , Kari . 1969 . Taloudellisen tason asteikko elintason mittana , Turku : The Scale of Economic Level as a Measure of the Standard of Living .
- Roos , J.P. 1973 . Welfare Theory and Social Policy. A Study in Policy Science , Helsinki : Commentationes Scientiarum Socialium, 4 .
- Uusitalo , Hannu . 1975 . Income and Welfare. A Study of Income as a Component of Welfare in the Scandinavian Countries in the 1970s , Helsinki : Research Group for Comparative Sociology, University of Helsinki, Research Reports, 8 .