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Libraries Periodical Publications Free Portals
Free Portals
 
 
Doaj
Directory of Open Access Journals
HighWire Press
Free Access to almost 1.400.000 articles from periodical publications in full text
Latindex
Latindex – Online Regional Information System for Scientific Journals from Latin America, The Caribbean, Spain and Portugal- is the result from cooperation by a network of institutions which operate in a coordinated way to gather and disseminate bibliographic information on scientific serials produced in the region
Scielo
Scientific Electronic Library Online is a model for the cooperative electronic publication of scientific journals in Internet. Specially developed to meet the needs of the scientific community in developing countries, particularly from Latin America and The Caribbean