CHEN, Wenjin. A visual analysis of the current status and trends of research on Mandarin tone acquisition by non-native Chinese speakers based on citespace. Arts, Culture and Language, [S. l.], v. 3, n. 3, p. 4952, 2025. DOI: 10.61173/5pnysr33. Disponível em: https://acl.deanfrancis.press/article/view/87. Acesso em: 4 nov. 2026.