Kadek Ceisa Ari Putri Laksmi, Agus Prawoto, Dyah Ratnaningsih, Antonius Edy Kristiyono, and Intan Sianturi. 2026. “Analysis of Air Quality Problems in the Engine Room Using the USG Method”. International Journal of Science and Environment (IJSE) 6 (2):191-99. https://doi.org/10.51601/ijse.v6i2.481.