STYRC, Marta. COVID-19 preventive behaviours among population 50+ in Poland. Studia Demograficzne, [S. l.], v. 180, n. 2, 2021. DOI: 10.33119/SD.2021.2.4. Disponível em: https://econjournals.sgh.waw.pl/SD/article/view/2690. Acesso em: 26 apr. 2024.