Sachak, N.

Stahl, M., Sachak, N. & Mkusa, G., 1979. Water to the villages : a socio-economic study of water-related problems in Northern Njombe, (Research paper / Bralup no. 54) Dar es Salaam, Tanzania: University of Dar es Salaam, Bureau of Resource Assesssment and Land Use Planning. Available at: https://www.ircwash.org/sites/default/files/824-5056.pdf.