DASSANAYAKE, N. Production of Mandarin Chinese Tones by Sri Lankan CFL Learners: An Acoustic Analysis. Journal of Foreign Language Teaching and Learning, [S. l.], v. 8, n. 1, p. 61–82, 2023. DOI: 10.18196/ftl.v8i1.16536. Disponível em: https://journal.umy.ac.id/index.php/FTL/article/view/16536. Acesso em: 30 apr. 2025.