The proliferation of financial pyramids in Brazil in the face of outdated legislation. Research, Society and Development, [S. l.], v. 11, n. 10, p. e389111032903, 2022. DOI: 10.33448/rsd-v11i10.32903. Disponível em: https://www.rsdjournal.org/rsd/article/view/32903. Acesso em: 6 dec. 2025.