Guidelines for drinking-water quality
The guideline describes a “Framework for Drinking-water Safety” and discusses the roles and responsibilities of different stakeholders, including the complementary roles of national regulators, suppliers, communities and independent “surveillance” agencies
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Geneva
World Health Organization
1997
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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