Utilization of waste frying oils for transport fuel extender – beneficial to the environment. COLUMELLA – Journal of Agricultural and Environmental Sciences, [S. l.], v. 2, n. 1, p. 65–72, 2015. DOI: 10.18380/SZIE.COLUM.2015.1.65. Disponível em: https://journal.uni-mate.hu/index.php/columella/article/view/2697.. Acesso em: 5 may. 2024.