Delwedd Flaen

Progress on sanitation and drinking water 2010 update.

Manylion Llyfryddiaeth
Awduron Corfforaethol: World Health Organization, UNICEF, WHO/UNICEF Joint Water Supply and Sanitation Monitoring Programme
Fformat: Llyfr
Iaith:Saesneg
Cyhoeddwyd: Geneva, New York World Health Organization UNICEF c2010.
Pynciau:
Drinking water.
Water-supply > Standards.
Water > Distribution.
Water > Purification.
Sanitation.
Sewage > Purification.
Water quality management.