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Filters: Keyword is appropriate technology and Author is Ball, P.  [Clear All Filters]
2004
Ball, P., Solutions for reducing borehole costs in rural Africa. Water and Sanitation Program - African Region, Nairobi, Kenya, p. 12 p. : 6 fig., photogr., 1 tab., 2004.
Ball, P., Solutions vers la reduction du cout des puits d'eau en milieu rural Africain. Water and Sanitation Program - African Region, Nairobi, Kenya, p. 16 p. : 6 fig., photogr., 1 tab., 2004.