Epidemiological analysis of spam between brazilian states that do border with other countries, Brazil, 2015 to 2018. Research, Society and Development, [S. l.], v. 9, n. 6, p. e176963583, 2020. DOI: 10.33448/rsd-v9i6.3583. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/3583. Acesso em: 29 jun. 2025.