Eghe Amenze Oyedoh et al. 2024. Optimization Of Biodiesel Production From A Blend Of Used Cooking Oil And Jatropha Oil Using Solid Catalyst Synthesized From Natural Calcite. Journal of Energy Technology and Environment. 6, 3 (Sep. 2024), 125–136. DOI:https://doi.org/10.5281/zenodo.13771017.