TY  - GEN
AU  - Roark Philip, Hodgkin Jonathan, Wyatt Alan.
AU  - Environmental Health Project.
AU  - Water and Sanitation for Health Project.
ED  - World Health Organization. Division of Operational Support in Environmental Health.
TI  - Models of management systems for the operation and maintenance of rural water supply and sanitation facilities
PY  - 1993///
CY  - Geneva : 
PB  - World Health Organization
KW  - Water supply
KW  - Sanitation
KW  - Management
ER  -