HASAN, A.; UDDIN, R.; HANZLA, M. On QTAG-modules containing proper h-purity. International Journal of Maps in Mathematics, [S. l.], v. 6, n. 2, p. 150–159, 2023. Disponível em: http://journalmim.com/index.php/journalMIM/article/view/135. Acesso em: 17 may. 2024.