JIE, C. .; MEESORN , P. .; WISUTTIPAT, M. . Studying the Vocal Training Method for Improving Singing Ability in Vocal Music Student at Binzhou Vocational College, Shandong, China. Journal of Modern Learning Development, [S. l.], v. 9, n. 3, p. 204–212, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/jomld/article/view/265550. Acesso em: 19 may. 2024.