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IEEE Transactions on Learning Technologies > 2012 > 5 > 2 > 177 - 189
2010 2nd International Conference on Education Technology and Computer > 1 > V1-469 - V1-473
IEEE Transactions on Learning Technologies > 2012 > 5 > 2 > 177 - 189
2010 2nd International Conference on Education Technology and Computer > 1 > V1-469 - V1-473