Interview with the President of the National Mining Society, Diego Hernández, at EXPOMIN 2018.
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Entrevista con el Presidente de la Sociedad Nacional de Minería, Diego Hernández, en EXPOMIN 2018.
Publicada: Wednesday 17 de April del 2019
Interview with the President of the National Mining Society, Diego Hernández, at EXPOMIN 2018.