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Bassoppo-Moyo, T.C. (2005). Using Electronic Performance Support Systems (EPSS) to enhance high school students’ conceptual understanding of selected difficult chemistry topics. In C. Crawford, R. Carlsen, I. Gibson, K. McFerrin, J. Price, R. Weber & D. Willis (Eds.), Proceedings of SITE 2005--Society for Information Technology & Teacher Education International Conference (pp. 1292-1293). Phoenix, AZ, USA: Association for the Advancement of Computing in Education (AACE).