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IEEE Transactions on Education > 2011 > 54 > 1 > 164 - 167
2010 2nd International Conference on Education Technology and Computer > 1 > V1-484 - V1-489
IEEE Transactions on Education > 2009 > 52 > 1 > 109 - 115
IEEE Transactions on Education > 2011 > 54 > 1 > 164 - 167
2010 2nd International Conference on Education Technology and Computer > 1 > V1-484 - V1-489
IEEE Transactions on Education > 2009 > 52 > 1 > 109 - 115