对国际饮水供应和环境卫生十年：1981一1990年的评价：总干事的报告

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世界卫生组织

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（临时议程项目20.2）

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Drinking water, Sanitation, Drinking Water, Water Supply, Sanitation, Environment and Public Health, Technology, Program Evaluation, Organizational Objectives, International Cooperation

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https://repo.dare.co.zw/handle/123456789/210884

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