ORMACHEA, O.; VILLAZÓN, A.; TERCEROS, I. ANALYSIS OF MINING ORE CONCENTRATES WITH A LOW COST PORTABLE LIBS SYSTEM. Revista Investigación & Desarrollo, [S. l.], v. 18, n. 1, 2018. Disponível em: https://www.upb.edu/revista-investigacion-desarrollo/index.php/id/article/view/171. Acesso em: 18 abr. 2024.