Echeverry-Vargas, L., Rojas-Reyes, N. R., & Estupiñán, E. (2017). Characterization of copper smelter slag and recovery of residual metals from these residues. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Echeverry-Vargas, Luver, Néstor Ricardo Rojas-Reyes, agus Edgar Estupiñán. Characterization of Copper Smelter Slag and Recovery of Residual Metals from These Residues. Universidad Pedagógica y Tecnológica de Colombia, 2017.
Lua MLA (9ú heag.)Echeverry-Vargas, Luver, et al. Characterization of Copper Smelter Slag and Recovery of Residual Metals from These Residues. Universidad Pedagógica y Tecnológica de Colombia, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
