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BASE

CC Search Browser Extension

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DINI – list of publication services

Directory of Open Access Books (DOAB)

Directory of Open Access Journals (DOAJ)

Directory of Open Access Repositories (OpenDOAR)

EconBiz

EconStor

Endnote Click / Kopernio

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Munich Personal RePEc Archive (MPRA)

OAIster

Open Access Button

Open Access Helper (OAHelper)

Open Access Publishing in European Networks (OAPEN)

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