AL-SAADI, Saad A.; AL-RUBAYE, Aya A. ⊕-s-extending modules. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 33, n. 3, p. 80–88, 2020. DOI: 10.30526/33.3.2475. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2475. Acesso em: 26 mar. 2025.