TATARCZAK, Anna; BOICHUK, Oleksandra. The multivariate techniques in evaluation of unemployment analysis of Polish regions. Oeconomia Copernicana, [S. l.], v. 9, n. 3, p. 361–380, 2018. DOI: 10.24136/oc.2018.018. Disponível em: https://journals.economic-research.pl/oc/article/view/1045. Acesso em: 23 feb. 2024.