Biodiesel production performance by transesterification from used soybean oil. FIDES ET RATIO, [S. l.], v. 23, n. 23, p. Pág. 149 – 175, 2022. DOI: 10.55739/fer.v23i23.112. Disponível em: http://fidesetratio.ulasalle.edu.bo/index.php/fidesetratio/article/view/44. Acesso em: 31 oct. 2025.