Redalyc (La Red de Revistas Científicas de América Latina, el Caribe, España y Portugal )
Redalyc serves as a portal to more than 15,000 full text articles published in over 700 journals that come from 15 countries in Latin America, the Caribbean, Spain and Portugal. New titles and older content are added monthly. Subject coverage includes topics in the social sciences, arts and humanities, and the natural sciences. Redalyc can be searched by keyword, subject, author, country of publication or journal title. Articles are primarily in Spanish. Redalyc adheres to an Open Access policy and its material is released under a Creative Commons license, with free downloads of the PDF files.