The Properties of Fuel and Characterization of Functional Groups in Biodiesel -Water Emulsions from Waste Cooking Oil and Its Blends. Indonesian Journal of Science and Technology, [S. l.], v. 5, n. 1, p. 95–108, 2024. Disponível em: https://ejournal.kjpupi.id/index.php/ijost/article/view/114.. Acesso em: 9 jul. 2025.