Mariono, M., Wahyudi, W., & Nadjib, M. (2023). Effect of Density and Viscosity on Injection Characteristic of Jatropha - waste Cooking Oil Biodiesel Mixture. JMPM (Jurnal Material Dan Proses Manufaktur), 7(1), 44–52. https://doi.org/10.18196/jmpm.v7i1.17896