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2010 2nd International Conference on Education Technology and Computer > 4 > V4-437 - V4-441
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 11 > 1559 - 1572
2010 2nd International Conference on Education Technology and Computer > 4 > V4-437 - V4-441
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 11 > 1559 - 1572