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://www.ejpam.com/index.php/ejpam/article/view/2562. Acesso em: 22 dec. 2024.