ALI, Mumtaz; SMARANDACHE, Florentin; BROUMI, Said; SHABIR, Muhammad. A New Approach to Multi-spaces Through the Application of Soft Sets. Neutrosophic Sets and Systems, [S. l.], v. 7, p. 34–39, 2020. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/120.. Acesso em: 22 dec. 2024.