Reforming of pension insurance system of countries of Western Europe. Ekonomichnyy analiz, [S. l.], v. 27, n. 1, p. 131–138, 2017. DOI: 10.35774/econa2017.01.131. Disponível em: http://econa.wunu.edu.ua/index.php/econa/article/view/1272. Acesso em: 7 apr. 2025.