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• Applied Math and Science Education Repository - Washington - USA (7)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (1)
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• Biodiversity Heritage Library, United States (18)
• CentAUR: Central Archive University of Reading - UK (2)
• Digital Commons @ DU | University of Denver Research (1)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• Illinois Digital Environment for Access to Learning and Scholarship Repository (7)
• Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States (10)
• Publishing Network for Geoscientific & Environmental Data (1)
• RepoCLACAI - Consorcio Latinoamericano Contra el Aborto Inseguro (1)
• Universidad Politécnica de Madrid (9)
• Universidade Federal do Pará (1)
• Université de Lausanne, Switzerland (1)
• University of Michigan (937)