VAN, Tu Anh. Initial Experiment on Using CoolEdit and PRAAT in Teaching Vietnamese Tones to Foreigners and Hard-of-Hearing Children. JOURNAL OF INQUIRY INTO LANGUAGES AND CULTURES, [S. l.], v. 2, n. 1, p. 1–8, 2018. DOI: 10.63506/jilc.0201.234. Disponível em: https://jilc.vn/index.php/jilc/article/view/234.. Acesso em: 8 nov. 2026.