- Nonnenmacher, A.; Friedrichs, J.
- The Missing Link: Deficits of Country-Level Studies. A Review of 22 Articles Explaining Life Satisfaction.
- Social Indicators Research, 2013, Vol. 110, 1221 - 1244
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.