WIDZ, Ewa. The Relationship Between the Market Indices Fluctuations and Fluctuations of the Economic Situation in Poland. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 4, n. 323, p. [155]-168, 2016. DOI: 10.18778/0208-6018.323.11. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/684. Acesso em: 15 feb. 2026.