A Mathematical Analysis for the Dynamics of Multiple Languages. CSIAM Transactions on Applied Mathematics, [S. l.], v. 6, n. 4, p. 842–861, 2025. DOI: 10.4208/csiam-am.SO-2024-0056. Disponível em: https://www.global-sci.com/index.php/csiam-am/article/view/22842. Acesso em: 5 dec. 2025.