FINGER, Julianne. Teaching Pronunciation with the Vowel Colour Chart. TESL Canada Journal, [S. l.], v. 2, n. 2, p. 43–50, 1985. DOI: 10.18806/tesl.v2i2.461. Disponível em: https://teslcanadajournal.ca/index.php/tesl/article/view/461. Acesso em: 27 apr. 2024.