Sunarsih, Nugroho, T. F., & Navyazka, M. Y. (2025). Noise Reduction in Ship Engine Room by Optimisation of Muffler Design. nternational ournal of arine ngineering nnovation and esearch, 5(4), 224–233. https://doi.org/10.12962/j25481479.v5i4.5959