MALINOWSKI, Jacek. Logic of Simpson paradox. Logic and Logical Philosophy, [S. l.], v. 14, n. 2, p. 203–210, 2005. DOI: 10.12775/LLP.2005.013. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2005.013. Acesso em: 27 mar. 2025.