TAGINEJAD, Mohadeseh. Rough Set in Fuzzy Approximation Space with Fuzzy Equivalence Class. Fuzzy Optimization and Modeling Journal (FOMJ), [S. l.], v. 1, n. 2, p. 43–49, 2020. Disponível em: https://oiccpress.com/fomj/article/view/6434. Acesso em: 25 apr. 2026.