Evaluating health impact water supply, sanitation, and hygiene education

Evaluating health impact water supply, sanitation, and hygiene education

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Xehetasun bibliografikoak
Egile nagusia: Briscoe, John
Formatua: Liburua
Hizkuntza:English
Argitaratua: Ottawa, CAN IDRC c1986.
Gaiak:
Environmental health > Evaluation > Congresses.
Water purification > Health aspects > Evaluation > Congresses.
Sanitation > Health aspects > Evaluation > Congresses.