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IEEE Transactions on Education > 2012 > 55 > 3 > 319 - 325
IEEE Transactions on Services Computing > 2010 > 3 > 1 > 32 - 45
IEEE Security & Privacy > 2009 > 7 > 3 > 57 - 59
IEEE Transactions on Education > 2012 > 55 > 3 > 319 - 325
IEEE Transactions on Services Computing > 2010 > 3 > 1 > 32 - 45
IEEE Security & Privacy > 2009 > 7 > 3 > 57 - 59