Результаты поиска - "Water-supply, Rural Developing countries."

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    Drinking-water and sanitation, 1981-1990 a way to health.

    Опубликовано 1981
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    Rural water supply and sanitation time for a change

    Опубликовано 1987
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    Community water supply the handpump option

    Опубликовано 1987
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    Renewable energy sources for rural water supply по Hofkes, E. H.

    Опубликовано 1986
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