Why ?improved? water sources are not always safe
Existing and proposed metrics for household drinking-water services are intended to measure the availability, safety and accessibility of water sources. However, these attributes can be highly variable over time and space and this variation complicates the task of creating and implementing simple an...
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| Main Authors: | , , , , |
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| Format: | Book |
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The World Health Organization.
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Internet
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A1234.567 |
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| Copy 1 | Available |