“Analysis Exhaust Emissions (CO, CO2 and HC) on FI Motorcycle With Variations in Ignition Timing, Injector Timing and Fuel Variations”. Proceedings Series of Borobudur International Symposium on Energy and Engineering 1 (November 10, 2024): V124033. Accessed January 10, 2025. https://unimma.press/conference/index.php/biseeng/article/view/80.