- Veenhoven, R.
- Measures of Happiness: Which to Choose
- Brulé, G. and Maggio, F. (Eds):"Matrics of Subjective Well-Being Limits and Improvements", 217,Springer International Publishing AG, Cham, Swiss
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.