ABDELGHANY, Noha; MEGAHED, Nefertiti. Code–checkable group rings. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 4, n. 2, p. 115–122, 2017. Disponível em: https://www.jacodesmath.com/index.php/jacodesmath/article/view/61. Acesso em: 12 sep. 2026.