TAKAAKI FUJITA; FLORENTIN SMARANDACHE. Neutrosophic Circular-arc Graphs and Proper circular-arc graphs. Neutrosophic Sets and Systems, [S. l.], v. 78, p. 1–30, 2025. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/5444.. Acesso em: 2 feb. 2025.