Preprint. Coverage and metadata availability of African publications in OpenAlex: A comparative analysisAlonso-Álvarez, Patricia; van Eck, Nees Jan2024-09-28https://alonsoalvarezp.com/publications_blog/coverage_openalex_preprint/ Patricia Alonso-Álvarezdatabase coveragemetadata availabilitymetadata qualityopenalexscopuswosajol