BOLEK, Monika; GNIADKOWSKA‑SZYMAŃSKA, Agata; LYROUDI, Katerina. The Day‑of‑the‑Week Anomaly in Light of the COVID–19 Pandemic on an Example of Selected OMX Indices. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 26, n. 2, p. 129–148, 2023. DOI: 10.18778/1508-2008.26.16. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/18430. Acesso em: 8 dec. 2025.