Cahyono, B., Iswantoro, A., & Akbar, I. R. (2025). The Modification Effect of Piston Crown on Four Stroke One Cylinder Diesel Engine using Biodiesel B30 on Noise Based on Simulation. nternational ournal of arine ngineering nnovation and esearch, 5(4), 265–273. https://doi.org/10.12962/j25481479.v5i4.5963