MA, Xueling; ZHAN, Jianming. SOFT ROUGH BCI-ALGEBRAS AND CORRESPONDING DECISION MAKING. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 98–112, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6825. Acesso em: 26 sep. 2026.