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Keen, J.

Keen, J., 2001. First international rope pump policy workshop, Managua, 2001 : proceedings, St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management). Available at: https://nl.ircwash.org/sites/default/files/232.2-01FI-17135.pdf.

Publicatiedatum: 31/12/2004

Baumann, E. & Keen, J., 1994. Afridev deep well handpump specification Rev. 2nd ed., St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management). Available at: https://nl.ircwash.org/sites/default/files/232.2-94AF-7078.pdf.

Publicatiedatum: 29/12/2004

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