Anchatipan Bastidas, Dayana, and Nelly Esther Flores Tapia. “Current Treatment and Recycling Processes of Industrial Waste from Tanneries in Ecuador and the World”. Revista Tecnológica - ESPOL 35, no. 1 (June 30, 2023): 66–87. Accessed October 19, 2025. https://rte.espol.edu.ec/index.php/tecnologica/article/view/983.