On "Essential" Subsemimodules and Weakly Co-Hopfian Semimodules. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 9, n. 3, p. 250–265, 2016. Disponível em: https://ejpam.com/index.php/ejpam/article/view/2562.. Acesso em: 20 jul. 2024.