PAN, Wenjun; ZHAN, Jianming. SOFT ROUGH GROUPS AND CORRESPONDING DECISION MAKING. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 158–171, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6818. Acesso em: 16 sep. 2026.