Red Cross. (2008). Household water treatment and safe storage in emergencies: A field manual for Red Cross/Red Crescent personnel and volunteers. Geneva, Switzerland: International Federation of Red Cross and Red Crescent Societies.
Red Cross. (2008). Household water treatment and safe storage in emergencies: A field manual for Red Cross/Red Crescent personnel and volunteers. Geneva, Switzerland: International Federation of Red Cross and Red Crescent Societies.