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Ulrich Herb
4 Maps
5 Datasets
heatmap_data 2
over 4 years ago
Number of Open Access Journals per Country (2016-09-15)
about 8 years ago
Number of Open Access Journals per Country (2015-09-02)
over 9 years ago
Number of Open Access Journals per Country, August 2014
over 10 years ago
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