The element portanto in the Brazilian and African varieties of Portuguese: semantic values and rethorical relations. Caderno de Letras da UFF, Brasil, v. 27, n. 55, p. 159–183, 2017. DOI: 10.22409/cadletrasuff.2017n55a497. Disponível em: https://www.periodicos.uff.br/cadernosdeletras/article/view/43812. Acesso em: 10 dec. 2025.