Productivity and competitiveness determination of the small-scale mining at the northern mining district in the state of Boyacá
In recent years, mining in Colombia has been growing to such an extent that the country is considered to be the largest producer of coal in Latin America and the 12th in the world. In the Department of Boyacá, specifically, the coal mining production generated an economic movement closed to 380 000...
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| 格式: | Online |
| 語言: | spa |
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Universidad Pedagógica y Tecnológica de Colombia
2013
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| 在線閱讀: | https://revistas.uptc.edu.co/index.php/investigacion_duitama/article/view/2168 |
