JINXUAN, W.; HIRUNRAK, S. The Investigation Utilized Czerny No.849 as an Aid for Piano Students to Execute Chopin Waltz Op.69 No.2. Journal of Modern Learning Development, [S. l.], v. 9, n. 12, p. 684–692, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/jomld/article/view/280003. Acesso em: 16 sep. 2026.