Yazar
Gerhard Tschannerl
5 cilt bulundu.
Cilt sonuçları
The cost of rural water-supply construction in Tanzania
Gerhard Tschannerl · Bureau of Resource Assessment and Land Use Planning, University of Dar Es Salaam
34 sayfa · 1974
Costs / Water-supply, Rural
Impact of rural water supply
Gerhard Tschannerl · Bureau of Resource Assessment and Land Use Planning, University of Dar es Salaam
56 sayfa · 1975
Water-supply, Rural
A decision framework for the efficient use of data sources
Gerhard Tschannerl · Center for Population Studies, Harvard University
169 sayfa · 1970
Electronic data processing / Mathematical models / Reservoirs / Water resources development
Approvisionnement En Eau Des Collectivites
Saul Arlosoroff, Gerhard Tschannerl, David Grey · World Bank Publications
216 sayfa · 1988
Banks & Banking / Business / Economics / Finance