Browsing by Subject Minería ecuatoriana
Showing results 1 to 1 of 1
Preview | Issue Date | Title | Author(s) |
---|---|---|---|
2018 | Flotación del mineral de mina de la Pituca II, Sector Zamora. | Sanmartín Gutiérrez, Víctor Aurelio; Valladarez Sarmiento, Fresia Brigitte |