“The Frequency Spectrum and Time Frequency Analysis of Different Violins Classification as Tools for Selecting a Good-Sounding Violin”, wacanaseni, vol. 20, pp. 27–40, Dec. 2021, Accessed: May 04, 2024. [Online]. Available: https://ejournal.usm.my/wacanaseni/article/view/ws-vol20-2021-3