Kadek Ceisa Ari Putri Laksmi, Agus Prawoto, Dyah Ratnaningsih, Antonius Edy Kristiyono, & 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), 191–199. https://doi.org/10.51601/ijse.v6i2.481