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• Digital Commons @ DU | University of Denver Research (1)
• Digital Commons at Florida International University (47)
• DigitalCommons@University of Nebraska - Lincoln (1)
• Helda - Digital Repository of University of Helsinki (1)
• Instituto Politécnico de Viseu (1)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (1)
• Queensland University of Technology - ePrints Archive (933)
• The Scholarly Commons | School of Hotel Administration; Cornell University Research (3)
• Universitat de Girona, Spain (2)
• University of Michigan (7)
• WestminsterResearch - UK (1)