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Melis, E., Weber, M. & Andrès, E. (2003). Lessons for (Pedagogic) Usability of eLearning Systems. In A. Rossett (Ed.), Proceedings of E-Learn 2003--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 281-284). Phoenix, Arizona, USA: Association for the Advancement of Computing in Education (AACE).