Guzmán, Juan Ignacio, Fundamentos de economía minera / Juan Ignacio Guzmán. - 1 online resource. EbscoHost Includes bibliographical references. ISBN: 9788429195132 8429195130 Subjects--Topical Terms: Mineral industries. Index Terms--Genre/Form: Electronic books. LC Class. No.: HD9506.A2 Dewey Class. No.: 338.2