On Weakly P.P. Rings. Communications in Mathematical Research, [S. l.], v. 31, n. 4, p. 362–372, 2021. DOI: 10.13447/j.1674-5647.2015.04.08. Disponível em: https://global-sci.com/index.php/cmr/article/view/8869. Acesso em: 5 dec. 2025.