This manual is intended both for professionally trained project engineers and scientists and for technicians and field workers who are familiar with the geographical and cultural conditions of the project areas to which they are assigned.The reason for this emphasis is clear: it is upon the observations, interpretations, and communications of staff in the field that the ultimate success of sanitation programs depends; technical and economic analyses must incorporate recommendations from knowledgeable field specialists.
出版物详细信息
- 出版者: World Bank
- Dewey Decimal: 363.61
- ECHO 图书馆: 363.61 KAL