JOHN, S. J.; P, S. .; T.M., A. Multiset Modules. Journal of Computational and Cognitive Engineering, [S. l.], v. 1, n. 1, p. 37–41, 2022. DOI: 10.47852/bonviewJCCE6152118205514. Disponível em: https://ojs.bonviewpress.com/index.php/JCCE/article/view/139. Acesso em: 6 may. 2024.