Saputra, Y. M. D. E., Sudarmanta, B. ., & Paloboran, M. . (2025). Influence Of The Compression Ratio And Ignition Timing On CB150R Engine Performance With 85% Bioethanol gasoline Blended Fuel. IPTEK The Journal of Engineering, 3(3), 25–29. https://doi.org/10.12962/joe.v3i3.3207