AMREEN, J.; NADUVATH, S. Non-inverse signed graph of a group. Carpathian Mathematical Publications, [S. l.], v. 16, n. 2, p. 565–574, 2024. DOI: 10.15330/cmp.16.2.565-574. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/6007. Acesso em: 15 jan. 2025.