- McMahan, E.A.
- Happiness comes Naturally: Engagement with Nature as a Route to Positive Subjective Well-Being.
- NOBASCHOLAR, 2018, In E. Diener, S. Oishi, & L. Tay (Eds.), Handbook of well-being. 1 - 18
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.