Fata, Agus Samsul, and Gaustama Putra. “Analysis of Noise Levels in the Engine Room & St. Kernel Using the National Institute for Occupational Safety and Health (NIOSH) Method in PT. Karya Tanah Subur”. Jurnal Inotera 8, no. 1 (February 17, 2023): 99-106. Accessed August 17, 2026. https://inotera.poltas.ac.id/index.php/inotera/article/view/214.