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Filters: Keyword is maintenance and Author is World Bank. Regional Water and Sanitation Group for South Asia -New Delhi, IN  [Clear All Filters]
1992
I. Ministry o IN y Delhi, I. N. World Bank, «Technical guidelines on design, construction and maintenance of twin pit pour flush latrines». World Bank Regional Water and Sanitation Group South Asia, New Delhi, India, p. iv, 32 p. : drwngs., tab., 1992.
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