Moteurs de recherche

Google Advanced Search: un portail de Google permettant d’affiner les recherches pour cibler des resultats plus proches.

Harvard University THINK TANK and policy search engine: A Google Custom Search of more than 1200 think tanks and research centers.

Think Tank Search Engine

The Mason OER Metafinder (MOM): Real-time federated search for OER content

OER (Open EducationalResources) search engine

HathiTrust Digital Library: is an academic and institutions of research partnership. It offers a collection with millions of titles numerized from libraries all over the world

BASE (Bielefeld Academic Search Engine): search engines especially for academic web resources.

Scientific Electronic Library Online (SciELO): a repository for open access journals throughout Latin America and around the world, the Scientific Electronic Library Online (SciELO) database is an excellent research resource.