Longji, P., Pattananon, N. and Charoensloong, T. (2023) ““Falsetto Tenor’ in vocal music Teaching in China”, Journal of Modern Learning Development, 8(5), pp. 330–338. available at: https://so06.tci-thaijo.org/index.php/jomld/article/view/260506 (accessed: 29 August 2026).