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Weber, P. & Rothe, H. (2012). Social Networking Services in E-Learning. In T. Bastiaens & G. Marks (Eds.), Proceedings of E-Learn 2012--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 1 (pp. 1955-1965). Montréal, Quebec, Canada: Association for the Advancement of Computing in Education (AACE).