MEDINA VILLADIEGO, M.; OSPINO ROA, Y.; TEJEDA BENÍTEZ, L. Esterification and transesterification of waste oils for biodiesel obtaining. Revista Luna Azul (On Line), [S. l.], n. 40, p. 25–34, 2015. DOI: 10.17151/10.17151/luaz.2015.40.3. Disponível em: https://revistasojs.ucaldas.edu.co/index.php/lunazul/article/view/1775. Acesso em: 22 jul. 2024.