L. ZASTAVETSKA, T. ZASTAVETSKYI, L. ALTHAIM, and O. SEMEHEN, “DEMOGRAPHIC AGING TRENDS IN EU COUNTRIES AND UKRAINE”, Herald of Khmelnytskyi National University. Economic sciences, vol. 324, no. 6, pp. 57–63, Nov. 2023, doi: 10.31891/2307-5740-2023-324-6-8.