HAQUE, M. N.; MIAH, M. Y.; ASHRUF, S. A.; ISLAM, M. R.; DAS, A. K. Effects of Acid Washing and Additives on Qualities of Waste Lubricating Oil. Bangladesh Journal of Scientific and Industrial Research, [S. l.], v. 43, n. 4, p. 529–536, 2009. DOI: 10.3329/bjsir.v43i4.2243. Disponível em: https://www.banglajol.info/index.php/BJSIR/article/view/2243. Acesso em: 18 may. 2024.