CALLEJO, Javier. Focus group: The incoherent aperture. Sociolinguistic Studies, [S. l.], v. 3, n. 1, p. 91–109, 2002. DOI: 10.1558/sols.v3i1.91. Disponível em: https://journal.equinoxpub.com/SS/article/view/11703.. Acesso em: 21 nov. 2024.