A comparative study of singing ability in students from specialized music classes and general education classes. Training and Practice : Journal of Educational Sciences, [S. l.], v. 22, n. 2, p. 40–55, 2024. DOI: 10.17165/tp.2024.2.40-55. Disponível em: https://journal.uni-mate.hu/index.php/trainingandpractice/article/view/6332. Acesso em: 5 dec. 2025.