台湾六合彩开奖记录

Water Engineering and Development Centre

The Worth of Water

Technical briefs on health, water and sanitation

Introduced by John Pickford

The Worth of Water published by Practical Action Publishing has 32 sections, each a reprint of a technical brief that has appeared in the journal Waterlines. They provide simple guidance for fieldworkers on a variety of topics. Most were written and prepared by WEDC staff. See also: Running Water.

140pp. (297/210) 1991

ISBN: 978 1 85339 069

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