Adams, John
Water, sanitation and hygiene standards for schools in low-cost settings - Geneva WHO 2009 - ix, 55 p. ill. 25 cm.
9789241547796
SANITATION
Water supply-Standards
Hygiene-Standards
Sanitation-Standards
School health services
Water quality
363.72 / WAT
Water, sanitation and hygiene standards for schools in low-cost settings - Geneva WHO 2009 - ix, 55 p. ill. 25 cm.
9789241547796
SANITATION
Water supply-Standards
Hygiene-Standards
Sanitation-Standards
School health services
Water quality
363.72 / WAT