Prima Astuti Handayani, Izkinal Athhar, and Dwi Reksono. “Optimization of Biodiesel Production from Beef Tallow Using Microwave Assisted”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 97, no. 2, July 2022, pp. 57-65, doi:10.37934/arfmts.97.2.5765.