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Yeh, Y.c. & Strang, H.R. (1998). The Impact of a Computer Simulation on Critical-thinking Instruction. In S. McNeil, J. Price, S. Boger-Mehall, B. Robin & J. Willis (Eds.), Proceedings of SITE 1998--Society for Information Technology & Teacher Education International Conference (pp. 994-997). Waynesville, NC USA: Association for the Advancement of Computing in Education (AACE).