PAWLAK, Zdzisław. Decision algorithms and flow graphs; a rough set approach. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 13, n. 3, p. 98–101, 2003. DOI: 10.26636/jtit.2003.3.185. Disponível em: https://jtit.pl/jtit/article/view/185. Acesso em: 15 jun. 2026.