CHAM, Bei Qing. Sixty Years of Speech: A Study of Language Change in Adulthood. Lifespans and Styles, [S. l.], v. 2, n. 1, p. 17–26, 2016. DOI: 10.2218/ls.v2i1.2016.1427. Disponível em: https://journals.ed.ac.uk/lifespansstyles/article/view/1427. Acesso em: 3 jul. 2024.