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• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (2)
• AMS Tesi di Laurea - Alm@DL - Università di Bologna (12)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (10)
• CentAUR: Central Archive University of Reading - UK (3)
• Digital Peer Publishing (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (86)
• Fachlicher Dokumentenserver Paedagogik/Erziehungswissenschaften (1)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (3)
• Portal de Revistas Científicas Complutenses - Espanha (3)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (6)
• Universidade Federal do Rio Grande do Norte (UFRN) (1)
• Universita di Parma (1)
• Université de Montréal, Canada (2)
• University of Michigan (236)
• WestminsterResearch - UK (1)