العالي جاسم محمد ع. On Rings With Types Of (n)-Regularity. College of Basic Education Research Journal, [S. l.], v. 10, n. 2, p. 543–562, 2011. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/38396. Acesso em: 26 oct. 2025.