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• JISC Information Environment Repository (2)
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• Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España (1)
• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (1)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
• Applied Math and Science Education Repository - Washington - USA (36)
• Aquatic Commons (9)
• Archive of European Integration (208)
• Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (1)
• Aston University Research Archive (7)
• Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (11)
• Boston University Digital Common (1)
• Brock University, Canada (14)
• Bucknell University Digital Commons - Pensilvania - USA (2)
• Bulgarian Digital Mathematics Library at IMI-BAS (5)
• Cambridge University Engineering Department Publications Database (7)
• CentAUR: Central Archive University of Reading - UK (9)
• Chinese Academy of Sciences Institutional Repositories Grid Portal (12)
• Cochin University of Science & Technology (CUSAT), India (4)
• Coffee Science - Universidade Federal de Lavras (1)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (3)
• CORA - Cork Open Research Archive - University College Cork - Ireland (2)
• Cornell: DigitalCommons@ILR (1)
• CUNY Academic Works (50)
• Digital Archives@Colby (1)
• Digital Commons - Michigan Tech (5)
• Digital Commons - Montana Tech (1)
• Digital Commons @ DU | University of Denver Research (3)
• Digital Commons at Florida International University (92)
• Digital Howard @ Howard University | Howard University Research (1)
• DigitalCommons - The University of Maine Research (1)
• DigitalCommons@The Texas Medical Center (9)
• DigitalCommons@University of Nebraska - Lincoln (3)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• Duke University (1)
• Fachlicher Dokumentenserver Paedagogik/Erziehungswissenschaften (1)
• FAUBA DIGITAL: Repositorio institucional científico y académico de la Facultad de Agronomia de la Universidad de Buenos Aires (2)
• Funes: Repositorio digital de documentos en Educación Matemática - Colombia (1)
• Greenwich Academic Literature Archive - UK (2)
• Harvard University (2)
• Helda - Digital Repository of University of Helsinki (3)
• Indian Institute of Science - Bangalore - Índia (2)
• Institute of Public Health in Ireland, Ireland (1)
• Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States (1)
• Ministerio de Cultura, Spain (3)
• National Center for Biotechnology Information - NCBI (1)
• Plymouth Marine Science Electronic Archive (PlyMSEA) (4)
• Portal de Revistas Científicas Complutenses - Espanha (4)
• Publishing Network for Geoscientific & Environmental Data (2)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (24)
• Queensland University of Technology - ePrints Archive (75)
• RCAAP - Repositório Científico de Acesso Aberto de Portugal (2)
• Repositorio Académico de la Universidad Nacional de Costa Rica (1)
• Repositorio de la Universidad de Cuenca (2)
• Repositório digital da Fundação Getúlio Vargas - FGV (1)
• Repositório Digital da UNIVERSIDADE DA MADEIRA - Portugal (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (15)
• Repositorio Institucional Universidad de Medellín (1)
• RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (1)
• School of Medicine, Washington University, United States (2)
• South Carolina State Documents Depository (3)
• Universidad Autónoma de Nuevo León, Mexico (1)
• Universidad de Alicante (2)
• Universidad Politécnica de Madrid (2)
• Universitat de Girona, Spain (1)
• Université de Montréal, Canada (4)
• University of Canberra Research Repository - Australia (1)
• University of Michigan (154)
• University of Queensland eSpace - Australia (16)
• Worcester Research and Publications - Worcester Research and Publications - UK (1)