Is a search engine for students and researchers for easy accesibility academic information. The search is made in more than one thbousand millions of documents(web pages, books, encyclopedias, journals and newspapers).
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Latindex
Is an online regional system of information for scientific journals in Latin America, the Caribbean, Spain, and Portugal. Its about an academic information system specialized in academic journals edited in Iberoamerica.
OpenLibra
Is a collection of electronic books from different areas of knowledge.