Africano-Higuera, D. C., & Forero-Pinilla, Á. (2010). Pellets Obtained from Iron Row Material in the Direct Reduction Processes. Universidad Pedagógica y Tecnológica de Colombia.
Chicago-viite (17. p.)Africano-Higuera, Diana Carolina, ja Álvaro Forero-Pinilla. Pellets Obtained from Iron Row Material in the Direct Reduction Processes. Universidad Pedagógica y Tecnológica de Colombia, 2010.
MLA-viite (9. p.)Africano-Higuera, Diana Carolina, ja Álvaro Forero-Pinilla. Pellets Obtained from Iron Row Material in the Direct Reduction Processes. Universidad Pedagógica y Tecnológica de Colombia, 2010.
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