Sincihu, Yudhiakuari, Steven Steven, Mulya Dinata, and Melani Taurusia. “Investigation of Noise Induced Hearing Loss at Shipyard Company, Surabaya”. The Indonesian Journal of Occupational Safety and Health 8, no. 3 (December 27, 2019): 321–327. Accessed July 19, 2024. https://e-journal.unair.ac.id/IJOSH/article/view/13120.