Aguas claras, aguas turbias, aguas escasas
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| Format: | periodical issue biblioteca |
|---|---|
| Language: | spa |
| Subjects: | Water resources management, Water supply, Drinking water, Freshwater, Water balance, Hydrological cycle, Population increase, Human activities effects, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000104613_spa |
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