Sunarsih, Taufik Fajar Nugroho, and Mirfak Yunan Navyazka. 2025. “oise eduction in hip ngine oom by ptimisation of uffler esign”. nternational ournal of arine ngineering nnovation and esearch 5 (4):224-33. https://doi.org/10.12962/j25481479.v5i4.5959.