ROJAS-GONZÁLEZ, A. F.; GIRÓN-GALLEGO, E. Operation variables in the animal-fat transesterification process: a review. Ingenieria y Universidad, [S. l.], v. 15, n. 1, p. 197–218, 2011. DOI: 10.11144/Javeriana.iyu15-1.vopt. Disponível em: https://revistas.javeriana.edu.co/index.php/iyu/article/view/1143. Acesso em: 25 sep. 2022.