W-Closed Submodule and Related Concepts. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 31, n. 2, p. 164–178, 2018. DOI: 10.30526/31.2.1955. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1955.. Acesso em: 1 may. 2024.