Optimización del sistema de explotación para la extracción de materiales áridos y pétreos del área minera “Yuma, código 600011”, sector Nangóra, parroquia Malacatos cantón y provincia de Loja.
The research and development of mining is one of the important sources of income and sustained progress of a people, a country and the entire world. Non-metallic minerals and industrial rocks, including construction materials, constitute an important percentage of the raw material required by the di...
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| Natura: | bachelorThesis |
| Lingua: | spa |
| Pubblicazione: |
2018
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| Soggetti: | |
| Accesso online: | http://dspace.unl.edu.ec/jspui/handle/123456789/21428 |
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