Tanzania. Ministry of Water and Energy -TZ

TZ, T.Ministry o, 1980. Morogoro conference on wells : proceedings of the conference held at Mikumi Wildlife Lodge, 18-22 August 1980, Dar es Salaam, Tanzania: Tanzania, Ministery of Water, Energy & Minerals. Available at: https://fr.ircwash.org/sites/default/files/71MAJI80-1015.pdf.