ECHO Appropriate Technologies: Water Treatment for drinking water
ECHO, Appropriate Technology Department
This notebook includes sections of solar disinfection, moringa treatment, sand filtration, Kanchan aresenic filter, ceramic filters and other miscellaneous information.
Notebook with various page numbered sections, illustrated
Detalles de publicación
- Editor: ECHO, Inc.
- Dewey Decimal: 628.109
- Librería ECHO: 628.109 ECH
- Biblioteca de ECHO Asia: TA.001