ELBADAWI, A.; SULIMAN, S.; ELKHAIR, H.; ABUELHASSAN, H.; SABAHELKHIER, M. Recycling edible vegetable oils by using various types of alkali with alcohol to produce biodiesel and study its optical and physical properties. International Journal of Environment, [S. l.], v. 3, n. 2, p. 143–149, 2014. DOI: 10.3126/ije.v3i2.10525. Disponível em: https://www.nepjol.info/index.php/IJE/article/view/10525. Acesso em: 26 apr. 2024.