Farafisha, H., Herodian, S., Sugiarto, A. T., Anggarani, R., Pitoyo, J., & Pramudito, Y. (2025). Analysis of Ultra Fine Bubble Addition on Biodiesel Fuel to Reduce Emission of Two Wheel Tractors Diesel Engine. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 14(1), 296–308. https://doi.org/10.23960/jtep-l.v14i1.296-308