SAIFUDDIN, M.; BOYCE, A. N. Biodiesel production from waste cooking sunflower oil and environmental impact analysis. Kuwait Journal of Science, [S. l.], v. 43, n. 3, 2016. Disponível em: https://journals.ku.edu.kw/kjs/index.php/KJS/article/view/1723. Acesso em: 6 may. 2026.