Browsing by Subject Minería ecuatoriana

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 1 of 1
PreviewIssue DateTitleAuthor(s)
2018Flotación del mineral de mina de la Pituca II, Sector Zamora.Sanmartín Gutiérrez, Víctor Aurelio; Valladarez Sarmiento, Fresia Brigitte