Feyt Leyva, Reinier, and Gretel Villanueva Ramos. “Biodiesel Production from Sugar Industry Residue: The Mud”. Centro Azúcar Journal 35, no. 4 (December 1, 2008). Accessed June 6, 2025. http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/532.