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Mitra, A., Gu, Q. & Kimrey, N. (2012). iTunesU: Level of Use and Barriers for K-12 teachers in North Carolina. 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. 1166-1185). Montréal, Quebec, Canada: Association for the Advancement of Computing in Education (AACE).