ŚLIWICKI, Dominik. Econometric Analysis of the Factors of Long-term Unemployment in Poland. Oeconomia Copernicana, [S. l.], v. 4, n. 2, p. 39–56, 2013. DOI: 10.12775/OeC.2013.012. Disponível em: https://oeconomia.pl/index.php/oc/article/view/439. Acesso em: 15 jan. 2026.