Jager, J. de

Rall, M. & de Jager, J., 1997. Greater expectations : technology choices for community-managed water supply in the new South Africa. , pp.p.24-25, 27-28 : 1 map, 5 photogr., 2 tab. Available at: https://es.ircwash.org/sites/default/files/Rall-1997-Greater.pdf.