H. Bantje,
“Sociological aspects of improved water supply in the coast region”, vol. no. 31. University of Dar es Salaam, Bureau of Resource Assesssment and Land Use Planning, Dar es Salaam, Tanzania, p. 30 pp. : 8 tab., 1978.
H. Bantje,
“A water consumption survey in Mbezi village, Dar es Salaam region”, vol. no. 30. University of Dar es Salaam, Bureau of Resource Assesssment and Land Use Planning, Dar es Salaam, Tanzania, p. 23 pp. : 5 ref., 1978.