WU, Qiang. Knowledge Granulation, Rough Entropy and Uncertainty Measure in Incomplete Fuzzy Information System. Computing and Informatics, [S. l.], v. 33, n. 3, p. 633–651, 2015. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/1052. Acesso em: 4 aug. 2025.