Guidelines for Drinking-water Quality 4th Edition by World Health Organization (2011)
English | 2011 | ASIN: B011DBEDTI | 631 Pages | PDF | 4 MB
Access to safe drinking-water is essential to health, a basic human right and a component
of effective policy for health protection.
The importance of water, sanitation and hygiene for health and development
has been reflected in the outcomes of a series of international policy forums.