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Brush, R.E.
Brush, R.E.
, 1979.
Wells construction : hand dug and hand drilled
, (Appropriate technologies for development) Washington, DC, USA: Peace Corps. Available at:
https://fr.ircwash.org/sites/default/files/212.5-79WE-7794-1.pdf
.
Publié le: 01/01/1970
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