HAITAO, Y.; HIRUNRUX, S. Problems and Solutions of Vocal Music Teaching in Hezhou University in China. Journal of Modern Learning Development, [S. l.], v. 8, n. 6, p. 194–200, 2023. Disponível em: https://so06.tci-thaijo.org/index.php/jomld/article/view/260700. Acesso em: 4 oct. 2026.