MAHAMMED SHAFIK, R.; H. SHUKER, N. The strongly Tri-nil clean rings. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 19, n. 1, p. 80–83, 2025. Disponível em: https://edusj.uomosul.edu.iq/index.php/csmj/article/view/49395. Acesso em: 9 sep. 2025.