Shengming , Liang, and Bubpachart Aupatumnarakorn. “Teaching methods of Bel Canto in China”. Journal of Modern Learning Development 9, no. 11 (November 30, 2024): 960–968. accessed October 8, 2026. https://so06.tci-thaijo.org/index.php/jomld/article/view/292526.