Mitigación ambiental para la explotación minera artesanal en las riberas del río negro del sitio San Agustín cantón Santa Rosa
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| Format: | masterThesis |
| Language: | spa |
| Published: |
2016
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| Subjects: | |
| Online Access: | http://repositorio.ug.edu.ec/handle/redug/14845 |
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