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The Development of Open Access Journal Publishing from 1993 to 2009
- Mikael Laakso,
- Patrik Welling,
- Helena Bukvova,
- Linus Nyman,
- Bo-Christer Björk,
- Turid Hedlund
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- Published: June 13, 2011
- https://doi.org/10.1371/journal.pone.0020961