Suprapto, Nadi, Achmad Ichsan Rosyidi, Husni Mubarok, and Alif Syaiful Adam. “Development of Wireless Kundt’s Tube Kit As an Experiment Tool in Determining Speed of Sound and Proposing for a Hearing Test”. International Journal of Online and Biomedical Engineering (iJOE) 18, no. 02 (February 16, 2022): pp. 200–210. Accessed May 1, 2024. https://online-journals.org/index.php/i-joe/article/view/23267.