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Filters: Keyword is social aspects and Author is Valfrey , B.  [Clear All Filters]
Valfrey , B., How to create a regional dynamic to improve local water supply and sanitation services in small towns in Africa, vol. 2. pS-Eau, Programme Solidarite Eau, Paris, France, p. 64 p.; 3 tab.; 3 fig.; 3 topics; 4 action sheets, 2010.