ALI, Mumtaz; SHABIR, Muhammad; MUNAZZA NAZ; SMARANDACHE, Florentin. Neutrosophic Left Almost Semigroup. Neutrosophic Sets and Systems, [S. l.], v. 3, p. 18–28, 2020. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/550.. Acesso em: 23 jul. 2025.