1. Adams, K. B., Sanders, S., & Auth, E. A. (2004). Loneliness and depression in independent living retirement communities: risk and resilience factors. Aging & Mental Health, 8(6), 475–485.
2. Arslantaş, H., Adana, F., Ergin, F. A., Kayar, D., & Gülçin, A. C. A. R. (2015). Loneliness in elderly people, associated factors and its correlation with quality of life: A field study from Western Turkey. Iranian Journal of Public Health, 44(1), 43–50.
3. Averill, J. R., & Sundararajan, L. (2014). Experiences of solitude: issues of assessment, theory, and culture. In R. J. Coplan & J. C. Bowker (Eds.), The handbook of solitude: Psychological perspectives on social isolation, social withdrawal, and being alone (pp. 90–108). Malden, MA: Wiley Blackwell.
4. Baer, R. A., Lykins, E. L., & Peters, J. R. (2012). Mindfulness and self-compassion as predictors of psychological wellbeing in long-term meditators and matched nonmeditators. The Journal of Positive Psychology, 7(3), 230–238.
5. Baron, R. M., & Kenny, D. A. (1986). The moderator-mediator variable distinction in social psychological research: conceptual, strategic, and statistical considerations. Journal of Personality and Social Psychology, 51(6), 1173–1182.