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Dias, C., Oliveira, L.R. & Alves, P. (2009). Recognition, Validation and Certification of Competences using ePortfolio. Contributions to changing the evaluation paradigm and to the development of computer science literacy. In T. Bastiaens, J. Dron & C. Xin (Eds.), Proceedings of E-Learn 2009--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 2535-2538). Vancouver, Canada: Association for the Advancement of Computing in Education (AACE).