Repositório do Instituto de Ciências Abel Salazar
Repositório do Departamento de Medicina Veterinária Universidade de Évora
Repositório do Departamento de Ciências Veterinárias da Universidade de Trás-os-Montes e Alto Douro
Repositório da Faculdade de Medicina Veterinária da Universidade de Lisboa
RCAAP EUVG
EUVG Open Access Scientific Repository
OCDEiBIBLIOTECA
The Organisation for Economic Co-operation and Development (OECD) iLibrary is the OECD’s central repository of specialised knowledge.
World Digital Library
Provides free access to cultural content from around the world.
Science Open
An open academic publishing platform focused on making scientific research accessible and contextualising it through intelligent search, thematic collections, and open post-publication peer review.
ScienceDirect – Elsevier
It integrates thousands of books/articles/etc. in open access
REDIB
Ibero-American Network for Innovation and Scientific Knowledge.