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Wireless Personal Communications > 2014 > 75 > 3 > 1689-1713
Expert Systems With Applications > 2012 > 39 > 3 > 3731-3739
2010 2nd International Conference on Education Technology and Computer > 4 > V4-182 - V4-184
Procedia Computer Science > 2010 > 1 > 2 > 2793-2800