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2010 2nd International Conference on Education Technology and Computer > 2 > V2-272 - V2-274
IEEE Transactions on Learning Technologies > 2009 > 2 > 4 > 331 - 341
2010 2nd International Conference on Education Technology and Computer > 2 > V2-272 - V2-274
IEEE Transactions on Learning Technologies > 2009 > 2 > 4 > 331 - 341