P. WIERZBICKI, Andrzej. The problem of objective ranking: foundations, approaches and applications. Journal of Telecommunications and Information Technology, [S. l.], v. 33, n. 3, p. 15–23, 2008. DOI: 10.26636/jtit.2008.3.881. Disponível em: https://jtit.pl/jtit/article/view/881. Acesso em: 5 jun. 2026.