Water, sanitation and hygiene for schoolchildren in emergencies /

ACKU
Unicef.
New York, NY : UNICEF Programme, 2011.
76 pages : color illustrations ; 28 cm.
English
Water
Pollution.
Water sanitation.
Water
Pollution
Measurement.
Groundwater
Pollution.
Water
Pollution
Bibliography.
Water
Pollution
Research.
Pamphlet TD423. / W387 2011
Library of Congress Classification / Monograph
3ACKU000389410 3ACKU000500131
Cover title.
“November 2011”.