The Oligopoly of Academic Publishers in the Digital Era

doi:10.1371/journal.pone.0127502

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The Oligopoly of Academic Publishers in the Digital Era

Fig 1

Percentage of Natural and Medical Sciences (left panel) and Social Sciences and Humanities (right panel) papers published by the top 5 publishers, 1973–2013.

doi: https://doi.org/10.1371/journal.pone.0127502.g001