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The Development of Open Access Journal Publishing from 1993 to 2009
Laakso M,
Welling P,
Bukvova H,
Nyman L,
Björk BC,
et al.
(2011)
The Development of Open Access Journal Publishing from 1993 to 2009.
PLOS ONE 6(6): e20961.
https://doi.org/10.1371/journal.pone.0020961