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https://universoabierto.org/2020/10/04/google-scholar-microsoft-academic-scopus-dimensions-web-of-science-y-coci-de-opencitations-una-comparacion-multidisciplinaria-de-cobertura-a-traves-de-citas/
Google Scholar, Microsoft Academic, Scopus, Dimensions, Web of Science y COCI de OpenCitations: una comparaci├│n multidisciplinaria de cobertura a trav├ęs de citas