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IEEE Transactions on Mobile Computing > 2017 > 16 > 12 > 3403 - 3416
IEEE Transactions on Learning Technologies > 2011 > 4 > 3 > 233 - 238
IEEE Pervasive Computing > 2009 > 8 > 4 > 35 - 41
IEEE Transactions on Mobile Computing > 2017 > 16 > 12 > 3403 - 3416
IEEE Transactions on Learning Technologies > 2011 > 4 > 3 > 233 - 238
IEEE Pervasive Computing > 2009 > 8 > 4 > 35 - 41