Pambudi, S., Triono, A., Asrofi, M., Mufaidah, I., Variyana, Y. and Ilyas, R. A. (2021) “Metal Oxides as Soluble Nano Catalyst on Biodiesel: A Review”, Journal of Applied Agricultural Science and Technology, 5(2), pp. 95-105. doi: 10.32530/jaast.v5i2.27.