GRZEŚKOWIAK, Alicja. Objectives and Policies of the European Union in the Opinion of its Citizens - a Multivariate Approach. DEMO, Poland, v. 6, n. 1, p. 7–27, 2018. DOI: 10.18559/SOEP.2018.1.1. Disponível em: https://ojs34.fimagis.pl/index.php/demo/article/view/1073. Acesso em: 18 apr. 2026.