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Ostashewski, N. (2015). A tale of three MOOCs: Designing for meaningful teacher presence in large-enrolment courses. In S. Carliner, C. Fulford & N. Ostashewski (Eds.), Proceedings of EdMedia 2015--World Conference on Educational Media and Technology (pp. 1279-1284). Montreal, Quebec, Canada: Association for the Advancement of Computing in Education (AACE).