Ruiz-Méndez, M. V., S. Marmesat, A. Liotta, and M. C. Dobarganes. “Analysis of Used Frying Fats for Biodiesel Production”. Grasas y Aceites 59, no. 1 (March 30, 2008): 45–50. Accessed April 25, 2024. https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/489.