Mokhtar, et al. , translators. “Optimizing the Performance of Gasoline-Ethanol-Methanol Fueled Engines With Variations in the Air-Fuel Ratio”. Proceeding SNTTM BKS-TM Indonesia, vol. 23, no. 1, Mar. 2026, pp. 23-31, https://doi.org/10.71452/638pey73.