MOH’D, Fida; REFAI, Mashhoor. MORE PROPERTIES ON FLEXIBLE GRADED MODULES. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 32, p. 103–114, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6230. Acesso em: 7 aug. 2026.