Peut être cela parmi tant d'autres...
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Kent, D., Hand, R., Bradbury, G. and Kent, M. (n.d.) “Mahara: Book, Official Certification and eAssessment Integrations,” in Learning Forum London 2010-Internet of Subjects Forum ePortfolio-Key Competencies-Identity London, 5-7 July 2010, Savoy Place Published by EIfEL ISBN 2-9524576-9-7.,p. 225.