GUO, Nan. How to Building and Control My Vocal Instrument when I Practice. International Journal of Education and Humanities, [S. l.], v. 16, n. 1, p. 148–152, 2024. DOI: 10.54097/a99ykc67. Disponível em: https://drpress.org/ojs/index.php/ijeh/article/view/25393. Acesso em: 22 sep. 2026.