Over OAPEN:
OAPEN Library
OAPEN project website
OAPEN Brochure
OAPEN-UK
Over Open Access:
Open Access website SURF
Open Access-beleid NWO
Open Acces-beleid KNAW
Key Open Access ConceptsBudapest Open Access InitiativeBerlin Declaration on Open Access
Open Access Scholarly Publishers Association (OASPA)
Sparc Europe
Nederlandse Open Access website
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