- Jeffers, F.C.; Nichols, C.R.
- The Relationship of Activities and Attitudes to Physical Well-Being in Older People.
- Journal of Gerontology, 1961, Vol. 16, 67 - 70
- 0022 1422
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.