RAŚ, Zbigniew W.; ZHANG, Xin. Cooperative answering of queries based on hierarchical decision attributes. Computer Assisted Methods in Engineering and Science, [S. l.], v. 14, n. 4, p. 729–736, 2022. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/807. Acesso em: 12 jan. 2025.