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Journal of Computers in Education > 2017 > 4 > 3 > 283-306
2010 IEEE Frontiers in Education Conference (FIE) > S1A-1 - S1A-2
2008 Congress on Image and Signal Processing > 3 > 494 - 497
IEEE Transactions on Professional Communication > 2008 > 51 > 3 > 313 - 327