PODRAZA, Roman; DOMINIK, Andrzej. Credibility Coefficients for Objects of Rough Sets. Studia Informatica. System and information technology, [S. l.], v. 7, n. 1-2, p. 93–104, 2006. Disponível em: https://czasopisma.uws.edu.pl/studiainformatica/article/view/2853. Acesso em: 24 nov. 2024.