Africano-Higuera, Diana Carolina, and Álvaro Forero-Pinilla. “Pellets Obtained from Iron Row Material in the Direct Reduction Processes”. Revista Facultad de Ingeniería 15, no. 20 (December 2, 2010): 19–29. Accessed March 29, 2024. https://revistas.uptc.edu.co/index.php/ingenieria/article/view/1329.