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Filters: Keyword is ventilated improved pit latrines and Author is Wegelin-Schuringa, M.H.A.  [Clear All Filters]
2002
M. H. A. Wegelin-Schuringa, Evaluating rural latrines in Guinea, 1998–2001, Waterfront, p. p. 17, 18, 20 : photogr., 2002.