المؤلفون: Felicia V Wheaton PhD, Courtney S Thomas PhD, Carly Roman BA, Cleopatra M Abdou PhD
المصدر: Gerontological Society of America, Journals of Gerontology: Series B. 73(2):208-218
الإتاحة: https://ideas.repec.org/a/oup/geronb/v73y2018i2p208-218..html