ŻEBROWSKA‑SUCHODOLSKA, Dorota; PIEKUNKO‑MANTIUK, Iwona. Similarity and Granger Causality in Polish and Spanish Stock Market Sectors During the COVID–19 Pandemic. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 25, n. 3, p. 90–109, 2022. DOI: 10.18778/1508-2008.25.23. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/14265. Acesso em: 10 dec. 2025.