ALI, Mumtaz; SMARANDACHE, Florentin; SHABIR, Muhammad; NAZ, Munazza. Soft Neutrosophic Bigroup and Soft Neutrosophic N-Group. Neutrosophic Sets and Systems, [S. l.], v. 2, p. 55–81, 2020. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/259.. Acesso em: 22 jun. 2025.