Msimbe, L.G.

J. Box, dela Rive et al., 1992. Water for health Shinyanga. Volume I. Proposal for the Rural Water and Sanitation Programme Tanzania 1993-1997 2nd draftᵉ éd., Utrecht, The Netherlands: Matrix Consultants. Available at: https://fr.ircwash.org/sites/default/files/R824-10634-1.pdf.