Reference density (ratio) in 2003 (start point) and 2019 (end point) of the top 30 disciplinary categories included in Journal Citation Reports for year 2019.
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资源简介：
Reference density (ratio) in 2003 (start point) and 2019 (end point) of the top 30 disciplinary categories included in Journal Citation Reports for year 2019.
创建时间：
2021-08-06
