Álvarez-Mateos, P., García-Martín, J.F., Guerrero-Vacas, F.J., Naranjo-Calderón, C., Barrios-Sánchez, C.C. and Pérez-Camino, M.C. 2019. Valorization of a high-acidity residual oil generated in the waste cooking oils recycling industries. Grasas y Aceites. 70, 4 (Dec. 2019), e335. DOI:https://doi.org/10.3989/gya.1179182.