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Filters: Keyword is ventilated improved pit latrines and Author is Ayele, M.  [Clear All Filters]
2005
Ayele, M., Water is life, sanitation is dignity : sanitation preference and household latrine designs, vol. no. 1. WaterAid, Addis Ababa, Ethiopia, p. 5 p. : 2 boxes, photogr., 2005.