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• Academic Research Repository at Institute of Developing Economies (1)
• Applied Math and Science Education Repository - Washington - USA (3)
• Aston University Research Archive (2)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (32)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (3)
• Brock University, Canada (32)
• Bulgarian Digital Mathematics Library at IMI-BAS (1)
• CentAUR: Central Archive University of Reading - UK (149)
• CiencIPCA - Instituto Politécnico do Cávado e do Ave, Portugal (4)
• Cochin University of Science & Technology (CUSAT), India (9)
• Consorci de Serveis Universitaris de Catalunya (CSUC), Spain (31)
• CUNY Academic Works (6)
• Dalarna University College Electronic Archive (14)
• Department of Computer Science E-Repository - King's College London, Strand, London (7)
• Digital Commons at Florida International University (5)
• Digital Peer Publishing (1)
• Diposit Digital de la UB - Universidade de Barcelona (2)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (25)
• Galway Mayo Institute of Technology, Ireland (1)
• Institute of Public Health in Ireland, Ireland (4)
• Instituto Politécnico do Porto, Portugal (16)
• Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States (42)
• Martin Luther Universitat Halle Wittenberg, Germany (8)
• Massachusetts Institute of Technology (5)
• Ministerio de Cultura, Spain (56)
• National Center for Biotechnology Information - NCBI (1)
• Open Access Repository of Association for Learning Technology (ALT) (1)
• Portal do Conhecimento - Ministerio do Ensino Superior Ciencia e Inovacao, Cape Verde (4)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (1)
• ReCiL - Repositório Científico Lusófona - Grupo Lusófona, Portugal (1)
• Repositório Científico do Instituto Politécnico de Lisboa - Portugal (3)
• Repositório da Produção Científica e Intelectual da Unicamp (1)
• Repositório da Universidade Federal do Espírito Santo (UFES), Brazil (1)
• RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (6)
• School of Medicine, Washington University, United States (6)
• Scielo Saúde Pública - SP (21)
• Universidad del Rosario, Colombia (2)
• Universidade do Minho (19)
• Universidade Federal de Uberlândia (1)
• Universitat de Girona, Spain (3)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (4)
• Université de Lausanne, Switzerland (59)
• Université de Montréal, Canada (10)
• University of Michigan (2)
• University of Queensland eSpace - Australia (63)
• University of Southampton, United Kingdom (41)
• Worcester Research and Publications - Worcester Research and Publications - UK (2)