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Perkins, K., Podolefsky, N., Lancaster, K. & Moore, E. (2012). Creating Effective Interactive Tools for Learning: Insights from the PhET Interactive Simulations Project. In T. Amiel & B. Wilson (Eds.), Proceedings of EdMedia 2012--World Conference on Educational Media and Technology (pp. 436-441). Denver, Colorado, USA: Association for the Advancement of Computing in Education (AACE).