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| Contaminación ambiental (1) |
| https://purl.org/pe-repo/ocde/ford#2.11.04 (1) |
| Minería artesanal (1) |
| Oro (1) |
| Contaminación ambiental (1) |
| https://purl.org/pe-repo/ocde/ford#2.11.04 (1) |
| Minería artesanal (1) |
| Oro (1) |