GAO, L.J.; SHANG, Q.Q.; ZHOU, J.J.; XIAO, G.M.; WEI, R.P. Esterification of Oleic Acid in Biodiesel Synthesis with SO42-/ZrO2/MCM-41 as Catalyst. Asian Journal of Chemistry, [S. l.], v. 25, n. 12, p. 6579–6583, 2013. DOI: 10.14233/ajchem.2013.14370. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/25_13_21. Acesso em: 23 jul. 2024.