NUTTHAN INKHONG. Practical Guidelines for Choral Singing in the Elderly. Proceedings of the International Music and Performing Arts Conference, [S. l.], v. 2, p. 110–119, 2024. Disponível em: https://eprosiding.upsi.edu.my/index.php/Pro-IMPAC/article/view/29. Acesso em: 31 aug. 2025.