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  1. 1
    Productivity and competitiveness determination of the small-scale mining at the northern mining district in the state of Boyacá

    Productivity and competitiveness determination of the small-scale mining at the northern mining district in the state of Boyacá by Bernal, Martha Stella Martínez

    Published 2013
    Online


  2. 2
    A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte de Santander

    A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte de Santander by Bolívar-León, Rafael, Triviño-Jaimes, Neyl Richard, García-Mogollón, Javier Mauricio

    Published 2014
    Online


  3. 3
    Diagnosis of accidents in the small and medium mining of Boyacá

    Diagnosis of accidents in the small and medium mining of Boyacá by González-Sierra, Miguel Alfonso, Lara-González, Luis Ángel

    Published 2014
    Online


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