Kovalenko, Olena Hryhorivna, and Lyubov Mykolaivna Spivak. “Psychological Well-Being of Elderly People: The Social Factors”. Social Welfare: Interdisciplinary Approach, vol. 8, no. 1, June 2018, pp. 163-76, https://doi.org/10.21277/sw.v1i8.323.