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Recent Decline in Public Transportation Ridership: Analysis, Causes, and Responses 科技报告
来源:National Academies Press. 出版年: 2021
作者:  National Academies of Sciences, Engineering, and Medicine
收藏  |  浏览/下载:2/0  |  提交时间:2021/08/30
Family Planning, Women's Empowerment, and Population and Societal Impacts: Proceedings of a Workshop 科技报告
来源:National Academies Press. 出版年: 2021
作者:  National Academies of Sciences, Engineering, and Medicine
收藏  |  浏览/下载:3/0  |  提交时间:2021/04/06
Progress Toward Restoring the Everglades: The Eighth Biennial Review - 2020 科技报告
来源:National Academies Press. 出版年: 2021
作者:  National Academies of Sciences, Engineering, and Medicine
收藏  |  浏览/下载:15/0  |  提交时间:2021/03/29
High and Rising Mortality Rates Among Working-Age Adults 科技报告
来源:National Academies Press. 出版年: 2021
作者:  National Academies of Sciences, Engineering, and Medicine
收藏  |  浏览/下载:2/0  |  提交时间:2021/03/12