MOHAMED-KHEIR AHMAD; SUMYYAH AL-HIJJAWI. Central Idempotent of Rings. Jordan Journal of Mathematics and Statistics, [S. l.], v. 7, n. 2, p. 131–145, 2025. Disponível em: https://jjms.yu.edu.jo/index.php/jjms/article/view/1087. Acesso em: 18 aug. 2025.