S. YOUNS AL-MASHHDANNY, A.; انس; H. SHUKER, N.; نزار. A Note on Non – Singular Rings. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 2, n. 2, p. 21–26, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19785. Acesso em: 6 aug. 2025.