PUHACHOVA, M. V. Using Electronic Resources for Investigating the Impact of COVID-19 on the Mortality Growth in Poland and Ukraine. Statistics of Ukraine, [S. l.], v. 100, n. 1, p. 127–139, 2023. DOI: 10.31767/su.1(100)2023.01.12. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/393. Acesso em: 26 aug. 2026.