ABDULAZIZ, Yasser I.; MAHMOOD, Shaymaa M. A. Recovery of Base Oil from Spent Automobile Oil Using Elementary and Binary Solvent Extraction. Nahrain University College of Engineering Journal, [S. l.], v. 19, n. 2, p. 370–384, 2017. Disponível em: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/30.. Acesso em: 23 dec. 2024.