Ji, X., Q. Wang, Z. Ren, Y. Hu, and J. Wang. “Development and Research on the Music (Singing) Course for the Elderly: A Case Study of The Seniors University of Taizhou”. Pacific International Journal, vol. 7, no. 6, Dec. 2024, pp. 310-3, doi:10.55014/pij.v7i6.724.