Limit your search
Creator
- Mara, D. Duncan (David Duncan), 1944- 2
- Bradley, David J., 1937- 1
- Feachem, Richard G., 1947- 1
- Garelick, Hemda 1
Topic
- Sanitation 2
- Technology 2
- Bacteria 1
- Building 1
- Developing countries 1
- Health 1
- Pathogens 1
- Sewage 1
- Water quality 1
Publisher
- World Bank 2
