Evaluating health impact water supply, sanitation, and hygiene education

Evaluating health impact water supply, sanitation, and hygiene education

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書目詳細資料
主要作者: Briscoe, John
格式: 圖書
語言:English
出版: Ottawa, CAN IDRC c1986.
主題:
Environmental health > Evaluation > Congresses.
Water purification > Health aspects > Evaluation > Congresses.
Sanitation > Health aspects > Evaluation > Congresses.