Elfina, S., Pandiangan, K. D., Jamarun, N., Subriadi, F., Hafnimardiyanti, H., & Roswita, R. (2023). Transesterification of Palm Oil Catalyzed by CaO/SiO2 Prepared from Limestone and Rice Husk Silica. Journal of Multidisciplinary Applied Natural Science, 4(1), 49–57. https://doi.org/10.47352/jmans.2774-3047.185