Castillo, R. d. (2013). Positive emotions and mobility in older people.
Chicago-viite (17. p.)Castillo, Resannie del. Positive Emotions and Mobility in Older People. Jyväskylä, 2013.
MLA-viite (9. p.)Castillo, Resannie del. Positive Emotions and Mobility in Older People. 2013.
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