CHAN, Ricky K. W. Speaker variability in the realisation of lexical tones. International Journal of Speech, Language and the Law, [S. l.], v. 23, n. 2, p. 195–214, 2016. DOI: 10.1558/ijsll.v23i2.30908. Disponível em: https://journal.equinoxpub.com/IJSLL/article/view/5851. Acesso em: 13 apr. 2025.