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Proceedings of the IEEE > 2013 > 101 > 6 > 1268 - 1270
IEEE Transactions on Education > 2013 > 56 > 3 > 280 - 286
IEEE Transactions on Education > 2013 > 56 > 2 > 217 - 226
Proceedings of the IEEE > 2013 > 101 > 6 > 1268 - 1270
IEEE Transactions on Education > 2013 > 56 > 3 > 280 - 286
IEEE Transactions on Education > 2013 > 56 > 2 > 217 - 226