KHAN, A. H.; BATOOL, N.; AZIZ, A. Recovery of Base Oil from Used Oil through Solvent Extraction Followed by Adsorption: A Review. Environmental Protection Research, [S. l.], v. 3, n. 2, p. 319–340, 2023. DOI: 10.37256/epr.3220232592. Disponível em: https://ojs.wiserpub.com/index.php/EPR/article/view/2592. Acesso em: 23 jul. 2024.