TAN, H. L.; AZMI, N. N.; VENY, H.; LIM, Y. P.; PASSARELLA, R. A comparative study on treatment for recycling of waste lubricating oil. Malaysian Journal of Chemical Engineering & Technology, [S. l.], v. 5, n. 1, p. 43–53, 2022. DOI: 10.24191/mjcet.v5i1.15726. Disponível em: https://journal.uitm.edu.my/ojs/index.php/MJCET/article/view/181. Acesso em: 9 jan. 2025.