POLAK, Ewa. Social and Economic Welfare and the Level of Life Satisfaction on the Example of Selected Countries. European Journal of Transformation Studies, [S. l.], v. 9, n. 1, p. 19–30, 2021. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/journal-transformation/article/view/6653. Acesso em: 22 dec. 2024.