ROLLNIK-SADOWSKA, E.; DĄBROWSKA, E. Cluster analysis of effectiveness of labour market policy in the European Union. Oeconomia Copernicana, [S. l.], v. 9, n. 1, p. 143–158, 2018. DOI: 10.24136/oc.2018.008. Disponível em: http://economic-research.pl/Journals/index.php/oc/article/view/720. Acesso em: 27 jan. 2022.