Production of first and second-generation biodiesel for diesel engine operation: A review. NTU Journal of Renewable Energy, [S. l.], v. 5, n. 1, p. 8–23, 2023. DOI: 10.56286/ntujre.v5i1.512. Disponível em: https://journals.ntu.edu.iq/index.php/NTU-JRE/article/view/512.. Acesso em: 12 may. 2025.