71 to 80 of 85 结果
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2017-6-7 - 北京大学全球健康发展研究院
刘国恩, 2017, "城镇居民基本医疗保险试点评估入户调查", https://doi.org/10.18170/DVN/WQ3UFF, 北京大学开放研究数据平台, V1
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2017-5-24 - 截面调查数据
Guo Li; Alan Piazza, 2017, "甘肃基础教育调查，2000", https://doi.org/10.18170/DVN/B7GLCH, 北京大学开放研究数据平台, V1
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