MUHAMAD, S. A. W.; GIMBUN, J.; CHENG, C. K.; NURDIN, S. Enhancement of Biodiesel Yield from High FFA Malaysian Rubber Seed Oil with Sodium Methoxide Treated Limestone. Journal of Engineering and Technology (JET), [S. l.], v. 4, n. 1, p. 123–132, 2013. Disponível em: https://jet.utem.edu.my/jet/article/view/186. Acesso em: 18 may. 2024.