Progress on sanitation and drinking water 2010 update.

Progress on sanitation and drinking water 2010 update.

Библиографические подробности
Корпоративные авторы: World Health Organization, UNICEF, WHO/UNICEF Joint Water Supply and Sanitation Monitoring Programme
Формат: ‌
Язык:English
Опубликовано: Geneva, New York World Health Organization UNICEF c2010.
Предметы:
Drinking water.
Water-supply > Standards.
Water > Distribution.
Water > Purification.
Sanitation.
Sewage > Purification.
Water quality management.