Some Results on C-retractable Modules. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 1, p. 158–169, 2020. DOI: 10.29020/nybg.ejpam.v13i1.3588. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3588. Acesso em: 24 nov. 2024.